[Lens] Fixes the syncing of other series color (#146785)

## Summary

Closes https://github.com/elastic/kibana/issues/146655


It seems that there are cases that the series name is "__other__" and
other cases that is "Other". This PR fixes the color syncing of Other
series on a dashboard.

<img width="1155" alt="image"
src="https://user-images.githubusercontent.com/17003240/205063130-8d4aee0e-42a3-4502-a4ab-b2b3c0a38f59.png">


### Checklist

- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

Co-authored-by: Andrew Tate <drewctate@gmail.com>

src/plugins/chart_expressions/expression_partition_vis/public/utils/layers/get_color.ts

@@ -9,10 +9,12 @@ import { ShapeTreeNode } from '@elastic/charts';
 import { isEqual } from 'lodash';
 import type { PaletteRegistry, SeriesLayer, PaletteOutput, PaletteDefinition } from '@kbn/coloring';
 import type { FieldFormatsStart } from '@kbn/field-formats-plugin/public';
+import type { FieldFormat } from '@kbn/field-formats-plugin/common';
 import { lightenColor } from '@kbn/charts-plugin/public';
 import type { Datatable, DatatableRow } from '@kbn/expressions-plugin/public';
 import { BucketColumns, ChartTypes, PartitionVisParams } from '../../../common/types';
 import { DistinctSeries, getDistinctSeries } from '../get_distinct_series';
+import { getNodeLabel } from './get_node_labels';
 
 const isTreemapOrMosaicChart = (shape: ChartTypes) =>
   [ChartTypes.MOSAIC, ChartTypes.TREEMAP].includes(shape);
@@ -109,15 +111,24 @@ const getDistinctColor = (
 const createSeriesLayers = (
   d: ShapeTreeNode,
   parentSeries: DistinctSeries['parentSeries'],
-  isSplitChart: boolean
+  isSplitChart: boolean,
+  formatters: Record<string, FieldFormat | undefined>,
+  formatter: FieldFormatsStart,
+  column: Partial<BucketColumns>
 ) => {
   const seriesLayers: SeriesLayer[] = [];
   let tempParent: typeof d | typeof d['parent'] = d;
   while (tempParent.parent && tempParent.depth > 0) {
     const seriesName = String(tempParent.parent.children[tempParent.sortIndex][0]);
     const isSplitParentLayer = isSplitChart && parentSeries.includes(seriesName);
+    const formattedName = getNodeLabel(
+      tempParent.parent.children[tempParent.sortIndex][0],
+      column,
+      formatters,
+      formatter.deserialize
+    );
     seriesLayers.unshift({
-      name: seriesName,
+      name: formattedName ?? seriesName,
       rankAtDepth: isSplitParentLayer
         ? parentSeries.findIndex((name) => name === seriesName)
         : tempParent.sortIndex,
@@ -164,7 +175,8 @@ export const getColor = (
   syncColors: boolean,
   isDarkMode: boolean,
   formatter: FieldFormatsStart,
-  format?: BucketColumns['format']
+  column: Partial<BucketColumns>,
+  formatters: Record<string, FieldFormat | undefined>
 ) => {
   const distinctSeries = getDistinctSeries(rows, columns);
   const { parentSeries } = distinctSeries;
@@ -175,8 +187,8 @@ export const getColor = (
   const defaultColor = isDarkMode ? 'rgba(0,0,0,0)' : 'rgba(255,255,255,0)';
 
   let name = '';
-  if (format) {
-    name = formatter.deserialize(format).convert(dataName) ?? '';
+  if (column.format) {
+    name = formatter.deserialize(column.format).convert(dataName) ?? '';
   }
 
   if (visParams.distinctColors) {
@@ -194,7 +206,14 @@ export const getColor = (
     );
   }
 
-  const seriesLayers = createSeriesLayers(d, parentSeries, isSplitChart);
+  const seriesLayers = createSeriesLayers(
+    d,
+    parentSeries,
+    isSplitChart,
+    formatters,
+    formatter,
+    column
+  );
 
   const overriddenColor = overrideColors(seriesLayers, overwriteColors, name);
   if (overriddenColor) {

src/plugins/chart_expressions/expression_partition_vis/public/utils/layers/get_layers.test.ts

@@ -8,9 +8,11 @@
 import { ShapeTreeNode } from '@elastic/charts';
 import type { PaletteDefinition, SeriesLayer } from '@kbn/coloring';
 import { dataPluginMock } from '@kbn/data-plugin/public/mocks';
+import { fieldFormatsMock } from '@kbn/field-formats-plugin/common/mocks';
 import type { DataPublicPluginStart } from '@kbn/data-plugin/public';
 import { getColor } from './get_color';
 import { createMockVisData, createMockBucketColumns, createMockPieParams } from '../../mocks';
+import { generateFormatters } from '../formatters';
 import { ChartTypes } from '../../../common/types';
 
 const visData = createMockVisData();
@@ -22,6 +24,8 @@ interface RangeProps {
   gte: number;
   lt: number;
 }
+const defaultFormatter = jest.fn((...args) => fieldFormatsMock.deserialize(...args));
+const formatters = generateFormatters(visData, defaultFormatter);
 
 dataMock.fieldFormats = {
   deserialize: jest.fn(() => ({
@@ -82,7 +86,9 @@ describe('computeColor', () => {
       { getColor: () => undefined },
       false,
       false,
-      dataMock.fieldFormats
+      dataMock.fieldFormats,
+      visData.columns[0],
+      formatters
     );
     expect(color).toEqual(colors[0]);
   });
@@ -111,7 +117,9 @@ describe('computeColor', () => {
       { getColor: () => undefined },
       false,
       false,
-      dataMock.fieldFormats
+      dataMock.fieldFormats,
+      visData.columns[0],
+      formatters
     );
     expect(color).toEqual('color3');
   });
@@ -139,7 +147,9 @@ describe('computeColor', () => {
       { getColor: () => undefined },
       false,
       false,
-      dataMock.fieldFormats
+      dataMock.fieldFormats,
+      visData.columns[0],
+      formatters
     );
     expect(color).toEqual('#000028');
   });
@@ -175,6 +185,15 @@ describe('computeColor', () => {
       ...visParams,
       distinctColors: true,
     };
+    const column = {
+      ...visData.columns[0],
+      format: {
+        id: 'range',
+        params: {
+          id: 'number',
+        },
+      },
+    };
     const color = getColor(
       ChartTypes.PIE,
       d,
@@ -189,12 +208,8 @@ describe('computeColor', () => {
       false,
       false,
       dataMock.fieldFormats,
-      {
-        id: 'range',
-        params: {
-          id: 'number',
-        },
-      }
+      column,
+      formatters
     );
     expect(color).toEqual('#3F6833');
   });
@@ -229,7 +244,9 @@ describe('computeColor', () => {
       undefined,
       true,
       false,
-      dataMock.fieldFormats
+      dataMock.fieldFormats,
+      visData.columns[0],
+      formatters
     );
     expect(registry.get().getCategoricalColor).toHaveBeenCalledWith(
       [expect.objectContaining({ name: 'Second level 1' })],
@@ -268,7 +285,9 @@ describe('computeColor', () => {
       undefined,
       true,
       false,
-      dataMock.fieldFormats
+      dataMock.fieldFormats,
+      visData.columns[0],
+      formatters
     );
     expect(registry.get().getCategoricalColor).toHaveBeenCalledWith(
       [expect.objectContaining({ name: 'First level' })],

src/plugins/chart_expressions/expression_partition_vis/public/utils/layers/get_layers.ts

@@ -79,7 +79,8 @@ export const getLayers = (
             syncColors,
             isDarkMode,
             formatter,
-            col.format
+            col,
+            formatters
           ),
       },
     };