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Ensure workspace is read from WorkspaceContextService

Fix for #12833.

Isidorn/tabs in editor group service

Change order of Diff extensions.

Fixes visual issue with associated images.

fixes #16615
fixes #16622

add process.lazyEnv 

Monitors the status of typings acqusition from TS. If we are acquiring typings, in the completion item provider, return an error result that informs the user that the results are incomplete. Typings acqusition is currently capped at 30 seconds per typings install event so that we don't block intellisense forever if something goes wrong