### 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
timeline->queue_redraw();
	timeline->update_values();
	bool same = true;
	if (animation.is_null()) {
		return;
	}
	if (track_edits.size() == animation->get_track_count()) {
		
		for (int i = 0; i < track_edits.size(); i++) {
			if (track_edits[i]->get_path() != animation->track_get_path(i)) {
				same = false;
				break;
			}
		}
	} else {
		same = false;
	}
	if (same) {
		_redraw_tracks();
		_redraw_groups();
	} else {
		_update_tracks();
	}
	bezier_edit->queue_redraw();
	_update_step_spinbox();
	emit_signal(SNAME("animation_step_changed"), animation->get_step());
	emit_signal(SNAME("animation_len_changed"), animation->get_length());
	animation_changing_awaiting_update = false;
}
MenuButton *AnimationTrackEditor::get_edit_menu() {