### 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 (panner->gui_input(p_event)) {
		scroll->accept_event();
		return;
	}
	Ref<InputEventMouseButton> mb = p_event;
	if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
		if (mb->is_pressed()) {
			box_selecting = true;
			box_selecting_from = scroll->get_global_transform().xform(mb->get_position());
			box_select_rect = Rect2();
		} else if (box_selecting) {
			if (box_selection->is_visible_in_tree()) {
				
				for (int i = 0; i < track_edits.size(); i++) {
					Rect2 local_rect = box_select_rect;
					local_rect.position -= track_edits[i]->get_global_position();
					track_edits[i]->append_to_selection(local_rect, mb->is_command_or_control_pressed());
				}
				if (_get_track_selected() == -1 && track_edits.size() > 0) { 
					track_edits[track_edits.size() - 1]->grab_focus();
				}
			} else {
				_clear_selection(true); 
			}
			box_selection->hide();
			box_selecting = false;
		}
	}
	Ref<InputEventMouseMotion> mm = p_event;