### 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
bool update_obj = false;
	bool change_notify_deserved = false;
	for (const KeyValue<int, List<float>> &E : key_ofs_map) {
		int track = E.key;
		for (const float &key_ofs : E.value) {
			int key = animation->track_find_key(track, key_ofs, Animation::FIND_MODE_APPROX);
			ERR_FAIL_COND_V(key == -1, false);
			String name = p_name;
			if (name == "easing") {
				float val = p_value;
				float prev_val = animation->track_get_key_transition(track, key);
				EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
				if (!setting) {
					setting = true;
					undo_redo->create_action(TTR("Animation Multi Change Transition"), UndoRedo::MERGE_ENDS);
				}