### 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
r_ret = d["method"];
						return true;
					}
					ERR_FAIL_COND_V(!d.has("args"), false);
					Vector<Variant> args = d["args"];
					if (name == "arg_count") {
						r_ret = args.size();
						return true;
					}
					if (name.begins_with("args/")) {
						int idx = name.get_slice("/", 1).to_int();
						ERR_FAIL_INDEX_V(idx, args.size(), false);
						String what = name.get_slice("/", 2);
						if (what == "type") {
							r_ret = args[idx].get_type();
							return true;
						}
						if (what == "value") {
							r_ret = args[idx];
							return true;
						}
					}
				} break;
				case Animation::TYPE_BEZIER: {
					if (name == "value") {
						r_ret = animation->bezier_track_get_key_value(track, key);
						return true;
					}
					if (name == "in_handle") {
						r_ret = animation->bezier_track_get_key_in_handle(track, key);