### Godot version

eaf306e0b

### System information

ArchLinux x11

### Issue description

Creating points on a path3d doesnt work.

### Steps to reproduce

- Create path3d
- Create a new curve resource
- Click the add point button
- Click anywhere
- No points!

### Minimal reproduction project

‮
TTR("The current scene has unsaved changes.\nReload the saved scene anyway? This action cannot be undone."));
				confirmation->popup_centered();
				break;
			}
			int cur_idx = editor_data.get_edited_scene();
			_remove_edited_scene();
			Error err = load_scene(filename);
			if (err != OK) {
				ERR_PRINT("Failed to load scene");
			}
			editor_data.move_edited_scene_to_index(cur_idx);
			EditorUndoRedoManager::get_singleton()->clear_history(false, editor_data.get_current_edited_scene_history_id());
			scene_tabs->set_current_tab(cur_idx);
		} break;
		case RUN_PLAY: {
			run_play();
		} break;
		case RUN_PLAY_CUSTOM_SCENE: {
			if (run_custom_filename.is_empty() || editor_run.get_status() == EditorRun::STATUS_STOP) {
				_menu_option_confirm(RUN_STOP, true);
				quick_run->popup_dialog("PackedScene", true);
				quick_run->set_title(TTR("Quick Run Scene..."));
				play_custom_scene_button->set_pressed(false);
			} else {
				String last_custom_scene = run_custom_filename; 
				run_play_custom(last_custom_scene);
			}
		} break;
		case RUN_STOP: {
			if (editor_run.get_status() == EditorRun::STATUS_STOP) {