[8.17] [Discover Session] Fix "Untitled" export title when exporting CSV on a dashboard (#210143) (#210881)

# Backport

This will backport the following commits from `main` to `8.17`:
- [[Discover Session] Fix "Untitled" export title when
exporting CSV on a dashboard
(#210143)](https://github.com/elastic/kibana/pull/210143)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Matthias
Wilhelm","email":"matthias.wilhelm@elastic.co"},"sourceCommit":{"committedDate":"2025-02-12T16:24:43Z","message":"[Discover
Session] Fix \"Untitled\" export title when exporting CSV on a dashboard
(#210143)\n\n- Fixes \"Untitled\" CSV exports when an export of a
Discover session CSV is triggered on a Dashboard\n- Switches to make use
of the embeddable title when exporting CSV of Discover session
embeddables on a
Dashboard.","sha":"7a72b14fd5a032f6bcf5ad5d68f84d7e092a23c8","branchLabelMapping":{"^v9.1.0$":"main","^v8.19.0$":"8.x","^v(\\d+).(\\d+).\\d+$":"$1.$2"}},"sourcePullRequest":{"labels":["Feature:Discover","release_note:fix","Team:DataDiscovery","backport:prev-major","v9.1.0"],"title":"[Discover
Session] Fix \"Untitled\" export title when exporting CSV on a
dashboard","number":210143,"url":"https://github.com/elastic/kibana/pull/210143","mergeCommit":{"message":"[Discover
Session] Fix \"Untitled\" export title when exporting CSV on a dashboard
(#210143)\n\n- Fixes \"Untitled\" CSV exports when an export of a
Discover session CSV is triggered on a Dashboard\n- Switches to make use
of the embeddable title when exporting CSV of Discover session
embeddables on a
Dashboard.","sha":"7a72b14fd5a032f6bcf5ad5d68f84d7e092a23c8"}},"sourceBranch":"main","suggestedTargetBranches":[],"targetPullRequestStates":[{"branch":"main","label":"v9.1.0","branchLabelMappingKey":"^v9.1.0$","isSourceBranch":true,"state":"MERGED","url":"https://github.com/elastic/kibana/pull/210143","number":210143,"mergeCommit":{"message":"[Discover
Session] Fix \"Untitled\" export title when exporting CSV on a dashboard
(#210143)\n\n- Fixes \"Untitled\" CSV exports when an export of a
Discover session CSV is triggered on a Dashboard\n- Switches to make use
of the embeddable title when exporting CSV of Discover session
embeddables on a
Dashboard.","sha":"7a72b14fd5a032f6bcf5ad5d68f84d7e092a23c8"}}]}]
BACKPORT-->

---------

Co-authored-by: Matthias Wilhelm <matthias.wilhelm@elastic.co>

packages/kbn-reporting/get_csv_panel_actions/panel_actions/get_csv_panel_action.test.ts

@@ -94,7 +94,6 @@ describe('GetCsvReportPanelAction', () => {
       embeddable: {
         type: 'search',
         savedSearch$: new BehaviorSubject({ searchSource: mockSearchSource }),
-        getTitle: () => `The Dude`,
         getInspectorAdapters: () => null,
         getInput: () => ({
           viewMode: 'list',
@@ -104,6 +103,8 @@ describe('GetCsvReportPanelAction', () => {
           },
         }),
         hasTimeRange: () => true,
+        panelTitle: new BehaviorSubject('embeddable title'),
+        hidePanelTitle: new BehaviorSubject(false),
         parentApi: {
           viewMode: new BehaviorSubject('view'),
         },
@@ -133,7 +134,7 @@ describe('GetCsvReportPanelAction', () => {
       columns: [],
       objectType: 'search',
       searchSource: {},
-      title: '',
+      title: 'embeddable title',
       version: '7.15.0',
     });
   });
@@ -168,7 +169,7 @@ describe('GetCsvReportPanelAction', () => {
       columns: ['column_a', 'column_b'],
       objectType: 'search',
       searchSource: { testData: 'testDataValue' },
-      title: '',
+      title: 'embeddable title',
       version: '7.15.0',
     });
   });
@@ -187,7 +188,7 @@ describe('GetCsvReportPanelAction', () => {
     await panel.execute(context);
 
     expect(core.http.post).toHaveBeenCalledWith('/internal/reporting/generate/csv_searchsource', {
-      body: '{"jobParams":"(columns:!(),objectType:search,searchSource:(),title:\'\',version:\'7.15.0\')"}',
+      body: '{"jobParams":"(columns:!(),objectType:search,searchSource:(),title:\'embeddable title\',version:\'7.15.0\')"}',
       method: 'POST',
     });
   });

packages/kbn-reporting/get_csv_panel_actions/panel_actions/get_csv_panel_action.tsx

@@ -31,10 +31,12 @@ import {
   apiCanAccessViewMode,
   apiHasType,
   apiIsOfType,
+  apiPublishesPanelTitle,
   CanAccessViewMode,
   EmbeddableApiContext,
   getInheritedViewMode,
   HasType,
+  PublishesPanelTitle,
 } from '@kbn/presentation-publishing';
 import { toMountPoint } from '@kbn/react-kibana-mount';
 import { CSV_REPORTING_ACTION, JobAppParamsCSV } from '@kbn/reporting-export-types-csv-common';
@@ -44,7 +46,6 @@ import { IncompatibleActionError } from '@kbn/ui-actions-plugin/public';
 import type { ClientConfigType } from '@kbn/reporting-public/types';
 import { checkLicense } from '@kbn/reporting-public/license_check';
 import type { ReportingAPIClient } from '@kbn/reporting-public/reporting_api_client';
-
 import { getI18nStrings } from './strings';
 
 export interface PanelActionDependencies {
@@ -83,7 +84,11 @@ interface ExecutionParams {
   i18nStart: I18nStart;
 }
 
-type GetCsvActionApi = HasType & PublishesSavedSearch & CanAccessViewMode & HasTimeRange;
+type GetCsvActionApi = HasType &
+  PublishesSavedSearch &
+  CanAccessViewMode &
+  HasTimeRange &
+  PublishesPanelTitle;
 
 const compatibilityCheck = (api: EmbeddableApiContext['embeddable']): api is GetCsvActionApi => {
   return (
@@ -91,7 +96,8 @@ const compatibilityCheck = (api: EmbeddableApiContext['embeddable']): api is Get
     apiIsOfType(api, SEARCH_EMBEDDABLE_TYPE) &&
     apiPublishesSavedSearch(api) &&
     apiCanAccessViewMode(api) &&
-    Boolean((api as unknown as HasTimeRange).hasTimeRange)
+    Boolean((api as unknown as HasTimeRange).hasTimeRange) &&
+    apiPublishesPanelTitle(api)
   );
 };
 
@@ -275,7 +281,7 @@ export class ReportingCsvPanelAction implements ActionDefinition<EmbeddableApiCo
       addGlobalTimeFilter: !embeddable.hasTimeRange(),
       absoluteTime: true,
     });
-    const title = savedSearch.title || '';
+    const title = embeddable.panelTitle.getValue() ?? '';
     const executionParams = { searchSource, columns, title, savedSearch, i18nStart, analytics };
 
     if (this.enablePanelActionDownload) {