timeline contrinbtuion: do not call localize on localized strings. Aslo use fixes string for localization keys

#91969

fixes #91978

fixes #91975

move `joinPaths` to URI (static factory function), option 2 in  https://github.com/microsoft/vscode/issues/90208

- Use list resource navigator to open extensions

* follow up title part changes

* title - go back to having a part in electron-browser

Co-authored-by: NMatt Bierner <matb@microsoft.com>

Adopt edit setting option in settings editor

- Rename `versionPicker` -> `versionManager`
- Simplify running of picked items
- Cleaning up interfaces
- 💄

For #91510

Switching TS versions is fairly uncommon, so repurpose the status bar entry to have additional project commands in it (including the ability to switch TS versions)

cc @roblourens as the owner of 'Experiments service (?)' :)

Fix #85946

Fixes #91936: Do not emit empty tokens in the model, add workaround for rendering empty tokens in the view

Adds follow/unfollow actions to the timeline view
Reworks timeline view commands

fixes #87092