Get Revision: sync workspace to a changelist / label / date

- Actions -> Get Revision... (enter CL number, label, or YYYY/MM/DD)
- History right-click -> Sync workspace to #N
- Backend p4 sync scope@rev with live transfer progress

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/p4.ts

@@ -64,6 +64,7 @@ export const p4 = {
   history: (path: string) => invoke<Change[]>("p4_history", { path }),
   disconnect: () => invoke<void>("p4_disconnect"),
   sync: (scope = "") => invoke<string>("p4_sync", { scope }),
+  syncTo: (scope: string, rev: string) => invoke<string>("p4_sync_to", { scope, rev }),
   diff: (file: string) => invoke<string>("p4_diff", { file }),
   revert: (files: string[]) => invoke<string>("p4_revert", { files }),
   submit: (description: string, files: string[]) =>