### 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
ERR_FAIL_NULL(root);
	ERR_FAIL_COND_MSG(
			(p_type != Animation::TYPE_POSITION_3D && p_type != Animation::TYPE_ROTATION_3D && p_type != Animation::TYPE_SCALE_3D),
			"Track type must be Position/Rotation/Scale 3D.");
	if (!keying) {
		return;
	}
	if (!animation.is_valid()) {
		return;
	}
	
	String path = root->get_path_to(p_node, true);
	if (!p_sub.is_empty()) {
		path += ":" + p_sub;
	}
	NodePath np = path;
	int track_idx = -1;
	for (int i = 0; i < animation->get_track_count(); i++) {
		if (animation->track_get_path(i) != np) {
			continue;
		}
		if (animation->track_get_type(i) != p_type) {
			continue;
		}
		track_idx = i;
	}