Suggestions: Add keyboard support (#114517)

* Suggestions: hashes on suggestions, update logic to select first suggestion

* fix types

* Suggestions: New UI style updates

* update some styles

* getting styles just right

* remove grouping when not on flag

* adjust minimum width for sidebar

* CI cleanups

* updates from ad hoc review

* add loading and error states to suggestions

* remove unused import

* update header ui for panel editor

* restore back button to vizpicker

* fix e2e test

* fix e2e

* add i18n update

* use new util for setVisualization operation

* Apply suggestions from code review

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

* comments from review

* updates from review

* Suggestions: Add keyboard support

* fix selector for PluginVisualization.item

---------

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

packages/grafana-e2e-selectors/src/selectors/components.ts

@@ -1057,6 +1057,7 @@ export const versionedComponents = {
   },
   PluginVisualization: {
     item: {
+      '12.4.0': (title: string) => `data-testid Plugin visualization item ${title}`,
       [MIN_GRAFANA_VERSION]: (title: string) => `Plugin visualization item ${title}`,
     },
     current: {