### 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

‮
file_export_lib->connect("file_selected", callable_mp(this, &EditorNode::_dialog_action));
	file_export_lib_merge = memnew(CheckBox);
	file_export_lib_merge->set_text(TTR("Merge With Existing"));
	file_export_lib_merge->set_h_size_flags(Control::SIZE_SHRINK_CENTER);
	file_export_lib_merge->set_pressed(true);
	file_export_lib->get_vbox()->add_child(file_export_lib_merge);
	file_export_lib_apply_xforms = memnew(CheckBox);
	file_export_lib_apply_xforms->set_text(TTR("Apply MeshInstance Transforms"));
	file_export_lib_apply_xforms->set_h_size_flags(Control::SIZE_SHRINK_CENTER);
	file_export_lib_apply_xforms->set_pressed(false);
	file_export_lib->get_vbox()->add_child(file_export_lib_apply_xforms);
	gui_base->add_child(file_export_lib);
	file_script = memnew(EditorFileDialog);
	file_script->set_title(TTR("Open & Run a Script"));
	file_script->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
	file_script->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILE);
	List<String> sexts;
	ResourceLoader::get_recognized_extensions_for_type("Script", &sexts);
	for (const String &E : sexts) {
		file_script->add_filter("*." + E);
	}
	gui_base->add_child(file_script);
	file_script->connect("file_selected", callable_mp(this, &EditorNode::_dialog_action));
	file_menu->connect("id_pressed", callable_mp(this, &EditorNode::_menu_option));
	file_menu->connect("about_to_popup", callable_mp(this, &EditorNode::_update_file_menu_opened));
	file_menu->connect("popup_hide", callable_mp(this, &EditorNode::_update_file_menu_closed));
	settings_menu->connect("id_pressed", callable_mp(this, &EditorNode::_menu_option));
	file->connect("file_selected", callable_mp(this, &EditorNode::_dialog_action));
	file_templates->connect("file_selected", callable_mp(this, &EditorNode::_dialog_action));
	audio_preview_gen = memnew(AudioStreamPreviewGenerator);