* added the workspace symbol provider for markdown 46406

* fixed the review comments 46406

Fixes #47846

- Use flatten instead of push
- Use filter

- Extract codeActionContext
- Extract isValidAction
- Move outer isArray check to return early

Part of #47158

Quickfixes are a specific case of code actions. Renaming to make this more clear

Shift to file based configuration only after loading

#47154 Expose 'isComplete' property in Configuration data to know if configuration is complete or not

fixes #47342

fixes #46917

editorGroupControl do not center binary editors

fixes #47799

fixes #47545

fixes #47551