Merge pull request #89871 from jeanp413/fix-89857

Fixes cannot undo in SCM input box

src/vs/workbench/contrib/scm/browser/repositoryPane.ts

@@ -769,7 +769,12 @@ export class RepositoryPane extends ViewPane {
 
 		// Keep model in sync with API
 		this.inputModel.setValue(this.repository.input.value);
-		this._register(this.repository.input.onDidChange(value => this.inputModel.setValue(value)));
+		this._register(this.repository.input.onDidChange(value => {
+			if (value === this.inputModel.getValue()) {
+				return;
+			}
+			this.inputModel.setValue(value);
+		}));
 
 		// Keep API in sync with model and update placeholder and validation
 		toggleClass(placeholderTextContainer, 'hidden', this.inputModel.getValueLength() > 0);