### 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
int clip_left = timeline->get_name_limit();
	int clip_right = get_size().width - timeline->get_buttons_width();
	if (p_rect.position.x > clip_right) {
		return;
	}
	if (p_rect.position.x + p_rect.size.x < clip_left) {
		return;
	}
	Rect2 clip = Rect2(clip_left, 0, clip_right - clip_left, get_size().height);
	draw_rect(clip.intersection(p_rect), p_color, p_filled);
}
void AnimationTrackEdit::draw_bg(int p_clip_left, int p_clip_right) {
}
void AnimationTrackEdit::draw_fg(int p_clip_left, int p_clip_right) {