Rename `typescript.suggestions.enabled` to `typescript.suggest.enabled` to be more consistent with other extensions

Fix #57250. Do not do any auto closing check/update if the cursor is before an closing brace in composition mode.

* New config to turn off TypeScript autocomplete suggestions

* add missing semicolon

* Exclude everything, even name suggestions, when suggestions disabled

Fixes #55700

- Add commit characters for keywords such as `this` and `super`.
- Allow trigger characters on lines with only leading whitespace

Fixes #58048

Fixes #58256

related to #56137

fixes #58335