### 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
path += ":" + p_property;
	NodePath np = path;
	
	bool inserted = false;
	make_insert_queue();
	for (int i = 0; i < animation->get_track_count(); i++) {
		if (animation->track_get_type(i) == Animation::TYPE_VALUE) {
			if (animation->track_get_path(i) != np) {
				continue;
			}
			InsertData id;
			id.path = np;
			id.track_idx = i;
			id.value = p_value;
			id.type = Animation::TYPE_VALUE;
			id.query = vformat(TTR("property '%s'"), p_property);
			id.advance = p_advance;
			
			_query_insert(id);
			inserted = true;
		} else if (animation->track_get_type(i) == Animation::TYPE_BEZIER) {
			Variant value;
			if (animation->track_get_path(i) == np) {
				value = p_value; 
			} else {
				String tpath = animation->track_get_path(i);
				int index = tpath.rfind(":");
				if (NodePath(tpath.substr(0, index + 1)) == np) {
					String subindex = tpath.substr(index + 1, tpath.length() - index);
					value = p_value.get(subindex);