Expand code action range to entire document range when source actions are requested without any active selection

Fixes #53525

#66175

If a code action provider takes too long to compute a code action during save, we skip that code action. However we do not cancel the request itself

With this change, we now cancel `getCodeActions` when the request times out

Part of #62110

`autoFix` is a confusing term since we have a `auto fix` command now. Using `fix all` as this term is used by many linters for this type of operation

Fixes #66944: Tokenize viewport with debouncing after scrolling and when the tokenization support has changed

- File workspaces: Use node services until file service is acquired
- Non file workspaces:  Use cached workspace until file service is acquired

Update README.md

fixes #66747

fixes #66792