### 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

‮
if (editor_run.get_status() == EditorRun::STATUS_PLAY) {
		play_button->set_pressed(!_playing_edited);
		play_scene_button->set_pressed(_playing_edited);
		return;
	}
	play_button->set_pressed(false);
	play_button->set_icon(gui_base->get_theme_icon(SNAME("MainPlay"), SNAME("EditorIcons")));
	play_scene_button->set_pressed(false);
	play_scene_button->set_icon(gui_base->get_theme_icon(SNAME("PlayScene"), SNAME("EditorIcons")));
	play_custom_scene_button->set_pressed(false);
	play_custom_scene_button->set_icon(gui_base->get_theme_icon(SNAME("PlayCustom"), SNAME("EditorIcons")));
	String write_movie_file;
	if (write_movie_button->is_pressed()) {
		if (p_current && get_tree()->get_edited_scene_root() && get_tree()->get_edited_scene_root()->has_meta("movie_file")) {
			
			write_movie_file = get_tree()->get_edited_scene_root()->get_meta("movie_file");
		} else {
			write_movie_file = GLOBAL_GET("editor/movie_writer/movie_file");
		}
		if (write_movie_file == String()) {
			show_accept(TTR("Movie Maker mode is enabled, but no movie file path has been specified.\nA default movie file path can be specified in the project settings under the Editor > Movie Writer category.\nAlternatively, for running single scenes, a `movie_file` string metadata can be added to the root node,\nspecifying the path to a movie file that will be used when recording that scene."), TTR("OK"));
			return;
		}
	}
	String run_filename;
	if ((p_current && p_custom.is_empty()) || (editor_data.get_edited_scene_root() && !p_custom.is_empty() && p_custom == editor_data.get_edited_scene_root()->get_scene_file_path())) {
		Node *scene = editor_data.get_edited_scene_root();
		if (!scene) {
			show_accept(TTR("There is no defined scene to run."), TTR("OK"));
			return;