- introduce install with sync/donot sync actions

- add count badge in extension viewlet
- show extensions in details page

Fixes #83209

**Bug**
The extension page currently uses hardcoded height values for the header. This height breaks if the extension is recomended

**Fix**
Use flex layout instead

* add better padding to undo/recommend button

* Better supposrt zoom and small windows

* Wrapping

* UX Changes to ignore recommendations

* Fix missed negation when changing to shouldRecommend

* Update restored recommendation wording

* Update wording again

* Remove unused field

Improve Dependencies and Contributions UI in the Extension editor

* WIP

* Initail filtering and pulling filter list logic.

* Imporive typing and naming

* Remove the significant duplication

* Bug fixes.

* Fix bug where arrow functions dont maintain `this` in point free style

* WIP on extension ignoring UI.

* UI for global ignores.

* Add "unwantedRecommendations" to extensions.json template and intelisense

* Notify of workspace non-recommended extensions

* Wording of extensions.json template

* More UI for ignore button.

* Use seprate notification channel of recommendation changes.

* Reload search when recommended extensions changes

* Tests for ExtensionTipsService

* Test extensions workbench service

* Naming and add default vaule to workspace settings

* Initial revisions

* Global ignore need not call workspace refresh

* Fix build issues

* Skip refreshing workspace twice

* WIP

* WIP

* Reduce file accesses.
Remove bug causing all open editors to show exrtension as ignored

* Fix some of the build issues.

* Hackish thing that fixes the test.

* Rename id to extensionId in RecommendationChangeNotification

* updateRecommendedness ??

* Not needed

* Remove point free style thing

* Simplify

* naming

* remove extrenous getWrokspaceRecommendations call

* Casing

* Gracefull handle missing 'extensions' field in multiroot project config

* Refresh recommendation views on recommendation change

* more case sensitivity stuff

* naming/refactroing

* Simplify return types

* Wording

* Add telemetry

* guard telemetry service

* Increase visibility of Install buton focus. #50883

* Make focus outline even more visible.

* Get rid of somewhat sketchy negative margin.

* Restore zero margin on right of install button.

These files depend on electron APIs such as webview. They should life in electron browser rather than browser