[APM][OTel] Fix layers issue for ESQL visualization by adding textBased layers (#216358)

Closes #215675  

## Summary

This PR fixes the issue with the ESQL visualization by supporting
`textBased` layers. For testing, there is a link to the serverless env
of this PR and it should be tested EDOT Java SDK as shown in [the
screenshot in this
comment](https://github.com/elastic/kibana/pull/216358#pullrequestreview-2728718952)

---------

Co-authored-by: Jonas Kunz <j+github@kunzj.de>

x-pack/solutions/observability/plugins/apm/public/components/app/metrics/static_dashboard/dashboards/dashboard_catalog.ts

@@ -14,6 +14,7 @@ export const existingDashboardFileNames = new Set([
   'classic_apm-otel_other-dotnet',
   'classic_apm-edot-nodejs',
   'classic_apm-edot-java',
+  'otel_native-edot-java',
   'classic_apm-edot-dotnet',
   'otel_native-edot-python',
   'otel_native-edot-nodejs',
@@ -61,6 +62,12 @@ export async function loadDashboardFile(filename: string) {
         './opentelemetry_java.json'
       );
     }
+    case 'otel_native-edot-java': {
+      return import(
+        /* webpackChunkName: "lazyJavaOtelNativeEdotDashboard" */
+        './otel_native-edot-java.json'
+      );
+    }
     case 'classic_apm-edot-dotnet': {
       return import(
         /* webpackChunkName: "lazyDotnetOtelNativeDashboard" */

x-pack/solutions/observability/plugins/apm/public/components/app/metrics/static_dashboard/helper.ts

@@ -61,11 +61,8 @@ export async function convertSavedDashboardToPanels(
     const { gridData, embeddableConfig, panelIndex, title } = panel;
     const { attributes } = embeddableConfig;
     const { state } = attributes;
-    const {
-      datasourceStates: {
-        formBased: { layers },
-      },
-    } = state;
+    const layers =
+      state.datasourceStates?.formBased?.layers ?? state.datasourceStates?.textBased?.layers ?? [];
 
     acc[gridData.i] = {
       type: panel.type,