Gate embedded commit hash lookup to packaged desktop builds

- Prefer `T3CODE_COMMIT_HASH` when set
- Return `null` for unpackaged desktop runs instead of reading embedded metadata
8a2f2a5c2bJulius Marminge committed on 3/3/2026, 2:53:21 AM· committed by Julius Marmingeparente319735
1 file changedLine totals unavailable