### Godot version

4.1.dev (dc625bcbfc5b587ba8867481ee7a1f6a567c25d0)

### System information

Mageia 9, Linux

### Issue description

When importing a project in current `master`, the following error is raised for each asset that gets imported:
```
Attempting to parent and popup a dialog that already has a parent.
```

It seems to be raised once per asset, caused by the progress dialog.

CC @bruvzg

### Steps to reproduce

- Import a new project in Godot that contains importable assets, e.g. https://github.com/RPicster/godot4-demo-desert-light

### Minimal reproduction project

See above.
String action = undo_redo->get_current_action_name();
					if (action.is_empty()) {
						break;
					}
					switch (undo_redo->get_current_action_history_id()) {
						case EditorUndoRedoManager::GLOBAL_HISTORY:
							log->add_message(vformat(TTR("Global Redo: %s"), action), EditorLog::MSG_TYPE_EDITOR);
							break;
						case EditorUndoRedoManager::REMOTE_HISTORY:
							log->add_message(vformat(TTR("Remote Redo: %s"), action), EditorLog::MSG_TYPE_EDITOR);
							break;
						default:
							log->add_message(vformat(TTR("Scene Redo: %s"), action), EditorLog::MSG_TYPE_EDITOR);
					}
				}
			}
		} break;
		case EDIT_RELOAD_SAVED_SCENE: {
			Node *scene = get_edited_scene();
			if (!scene) {
				break;
			}
			String filename = scene->get_scene_file_path();
			if (filename.is_empty()) {
				show_warning(TTR("Can't reload a scene that was never saved."));
				break;
			}
			if (unsaved_cache && !p_confirmed) {
				confirmation->set_ok_button_text(TTR("Reload Saved Scene"));
				confirmation->set_text(