[Lens] Fix the button text for going back to the aggregation based visualization (elastic#222823)

## Summary

Fix elastic#203977 

When the user clicked 'Edit visualization in Lens' from an aggregation
visualization, the button to return to the aggregation based
visualization editor showed the wrong app to return to (Dashboard). This
PR fixes the button text to return to the aggregation based
visualization.

Before: 
![Kapture 2025-06-05 at 16 42
22](https://github.com/user-attachments/assets/6bca154a-b550-41f6-ac59-08f36fe27545)

After: 
![Kapture 2025-06-05 at 16 33
39](https://github.com/user-attachments/assets/d272e9c2-794e-487f-a322-17571b7b13d5)

### Checklist

Check the PR satisfies following conditions. 

Reviewers should verify this PR satisfies this list as well.

- [ ] [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

Author: andrimal

x-pack/platform/plugins/shared/lens/public/plugin.ts

@@ -28,6 +28,7 @@ import {
   ACTION_CONVERT_DASHBOARD_PANEL_TO_LENS,
   ACTION_CONVERT_TO_LENS,
   DASHBOARD_VISUALIZATION_PANEL_TRIGGER,
+  ACTION_CONVERT_AGG_BASED_TO_LENS,
   VisualizationsSetup,
   VisualizationsStart,
 } from '@kbn/visualizations-plugin/public';
@@ -672,11 +673,11 @@ export class LensPlugin {
 
     startDependencies.uiActions.addTriggerActionAsync(
       AGG_BASED_VISUALIZATION_TRIGGER,
-      ACTION_CONVERT_DASHBOARD_PANEL_TO_LENS,
+      ACTION_CONVERT_AGG_BASED_TO_LENS,
       async () => {
         const { convertToLensActionFactory } = await import('./async_services');
         const action = convertToLensActionFactory(
-          ACTION_CONVERT_DASHBOARD_PANEL_TO_LENS,
+          ACTION_CONVERT_AGG_BASED_TO_LENS,
           i18n.translate('xpack.lens.visualizeAggBasedLegend', {
             defaultMessage: 'Visualize agg based chart',
           }),