### 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
case Animation::TYPE_BEZIER: {
			Array array;
			array.resize(5);
			array[0] = p_id.value;
			array[1] = -0.25;
			array[2] = 0;
			array[3] = 0.25;
			array[4] = 0;
			value = array;
			bezier_edit_icon->set_disabled(false);
		} break;
		case Animation::TYPE_ANIMATION: {
			value = p_id.value;
		} break;
		default: {
		}
	}
	undo_redo->add_do_method(animation.ptr(), "track_insert_key", p_id.track_idx, time, value);
	if (created) {
		
		undo_redo->add_undo_method(this, "_clear_selection", false);
		undo_redo->add_undo_method(animation.ptr(), "remove_track", animation->get_track_count());
		p_next_tracks.normal++;
	} else {
		undo_redo->add_undo_method(animation.ptr(), "track_remove_key_at_time", p_id.track_idx, time);
		int existing = animation->track_find_key(p_id.track_idx, time, Animation::FIND_MODE_APPROX);
		if (existing != -1) {
			Variant v = animation->track_get_key_value(p_id.track_idx, existing);
			float trans = animation->track_get_key_transition(p_id.track_idx, existing);
			undo_redo->add_undo_method(animation.ptr(), "track_insert_key", p_id.track_idx, time, v, trans);