fixes #83782

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

@@ -466,18 +466,16 @@ class ViewModel {
 	}
 
 	private onDidSpliceGroup(item: IGroupItem, { start, deleteCount, toInsert }: ISplice<ISCMResource>): void {
-		if (this._mode === ViewModelMode.Tree) {
-			for (const resource of toInsert) {
-				item.tree.add(resource.sourceUri, resource);
-			}
-		}
-
 		const deleted = item.resources.splice(start, deleteCount, ...toInsert);
 
 		if (this._mode === ViewModelMode.Tree) {
 			for (const resource of deleted) {
 				item.tree.delete(resource.sourceUri);
 			}
+
+			for (const resource of toInsert) {
+				item.tree.add(resource.sourceUri, resource);
+			}
 		}
 
 		this.refresh(item);