feat(copilot): build the docs vfs from a generated manifest, rescope search_docs #24175

Job	Run time
Test and Build / Build App	12m 20s
Test and Build / Lint and Test	4m 25s
Detect Desktop Changes	0s
Build ARM64 (GHCR Only)	0s
Detect Version	0s
Check Docs Changes	0s
Build Dev ECR	0s
Migrate Dev DB	0s
Deploy Trigger.dev (Dev)	0s
Build AMD64	0s
Create Desktop Prerelease	0s
Check Desktop Signing Secrets	0s
Publish Desktop Prerelease	0s
Desktop Prerelease Build	0s
Prune Desktop Prereleases	0s
Migrate DB	-1s
Promote Images	1s
Process Docs	0s
Create GitHub Release	1s
Create GHCR Manifests	1s
Desktop Release	0s
	16m 47s

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