### 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 = 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);
				return true;
			}
			if (name == "out_handle") {
				r_ret = animation->bezier_track_get_key_out_handle(track, key);
				return true;
			}
			if (name == "handle_mode") {
				r_ret = animation->bezier_track_get_key_handle_mode(track, key);
				return true;
			}
		} break;
		case Animation::TYPE_AUDIO: {
			if (name == "stream") {
				r_ret = animation->audio_track_get_key_stream(track, key);
				return true;
			}
			if (name == "start_offset") {
				r_ret = animation->audio_track_get_key_start_offset(track, key);
				return true;
			}
			if (name == "end_offset") {
				r_ret = animation->audio_track_get_key_end_offset(track, key);
				return true;
			}
		} break;