### 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
StringName anim_name = p_value;
						if (!setting) {
							setting = true;
							undo_redo->create_action(TTR("Animation Multi Change Keyframe Value"), UndoRedo::MERGE_ENDS);
						}
						StringName prev = animation->animation_track_get_key_animation(track, key);
						undo_redo->add_do_method(animation.ptr(), "animation_track_set_key_animation", track, key, anim_name);
						undo_redo->add_undo_method(animation.ptr(), "animation_track_set_key_animation", track, key, prev);
						update_obj = true;
					}
				} break;
			}
		}
	}
	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
	if (setting) {
		if (update_obj) {
			undo_redo->add_do_method(this, "_update_obj", animation);
			undo_redo->add_undo_method(this, "_update_obj", animation);
		}
		undo_redo->commit_action();
		setting = false;
		if (change_notify_deserved) {
			notify_change();
		}
		return true;
	}
	return false;
}
bool AnimationMultiTrackKeyEdit::_get(const StringName &p_name, Variant &r_ret) const {