Fixes #99304

TS 4.0 will now warn if you try overriding a property using an accessor

Update recommendations for C#.

The C# extension moved to a new publisher ID and the recommendations
need updating.

- do not recommed exe and dynamic workspace recommendations in web

change extension kind ui to be ui + workspace
deprecate string value for extension kind

- Disable reload action if ui extension is installed on both
- Fix tooltips