### Godot version

4.0.stable

### System information

Windows 10, Forward+, GTX 1070 driver 528.49

### Issue description

When trying to edit the handle mode of a bezier cruve key from the inspector tab, the mode doesn't change. It works fine when right clicking on the key and setting the handle mode from here though. 

https://user-images.githubusercontent.com/24484962/222379540-29d71b6d-ff0c-4a21-9905-9750d0581fda.mp4



### Steps to reproduce

On an animation track using a bezier curve, select a key and try to change the handle mode from the inspector tab

### Minimal reproduction project

N/A
if (!read_only) {
			if (check_rect.has_point(pos)) {
				EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
				undo_redo->create_action(TTR("Toggle Track Enabled"));
				undo_redo->add_do_method(animation.ptr(), "track_set_enabled", track, !animation->track_is_enabled(track));
				undo_redo->add_undo_method(animation.ptr(), "track_set_enabled", track, animation->track_is_enabled(track));
				undo_redo->commit_action();
				queue_redraw();
				accept_event();
			}
			
			if (path_rect.has_point(pos + Size2(type_icon->get_width(), 0))) {
				clicking_on_name = true;
				accept_event();
			}
			if (update_mode_rect.has_point(pos)) {
				if (!menu) {
					menu = memnew(PopupMenu);
					add_child(menu);
					menu->connect("id_pressed", callable_mp(this, &AnimationTrackEdit::_menu_selected));
				}
				menu->clear();
				if (animation->track_get_type(track) == Animation::TYPE_AUDIO) {
					menu->add_icon_item(get_editor_theme_icon(SNAME("UseBlendEnable")), TTR("Use Blend"), MENU_USE_BLEND_ENABLED);
					menu->add_icon_item(get_editor_theme_icon(SNAME("UseBlendDisable")), TTR("Don't Use Blend"), MENU_USE_BLEND_DISABLED);
				} else {
					menu->add_icon_item(get_editor_theme_icon(SNAME("TrackContinuous")), TTR("Continuous"), MENU_CALL_MODE_CONTINUOUS);
					menu->add_icon_item(get_editor_theme_icon(SNAME("TrackDiscrete")), TTR("Discrete"), MENU_CALL_MODE_DISCRETE);
					menu->add_icon_item(get_editor_theme_icon(SNAME("TrackCapture")), TTR("Capture"), MENU_CALL_MODE_CAPTURE);
				}