fix: pinned panels preserve original viewMode — no forced chat switch #423

Job	Run time
Lint	17s
Web Tests	27s
Typecheck	27s
Server Unit Tests	30s
Unit Tests (macOS)	2m 31s
Secret Scan (gitleaks)	10s
Unit Tests (Node 22)	1m 56s
Server DB Integration Tests	43s
Unit Tests (Node 20)	1m 55s
E2E Tests	34s
Repo Provider Integration Tests	30s
Coverage Report	2m 10s
Docker Build & Push	50s
Publish to npm	2m 32s
	15m 32s

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