feature: Manage package versions from sidebar #2700

Job	Run time
Lint	26s
TypeScript Unit Tests (ubuntu-latest)	22s
Create VSIX	34s
TypeScript Unit Tests (windows-latest)	56s
Integration Tests	-1s
Smoke Tests	-1s
Integration Tests (Multi-Root)	-1s
E2E Tests	-1s
	2m 14s

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