fix: ensure WorkingCopy refreshes after commit

In some cases, WorkingCopy view fails to refresh after commit due to
a race condition between FileSystemWatcher, manual refresh calls, and
the IsChanged optimization in SetData().

Author: gadfly3173

src/ViewModels/WorkingCopy.cs

@@ -687,6 +687,7 @@ public async Task CommitAsync(bool autoStage, bool autoPush)
             }
 
             _repo.MarkBranchesDirtyManually();
+            _repo.MarkWorkingCopyDirtyManually();
             IsCommitting = false;
         }