### 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
bake_fps->set_max(999);
	bake_fps->set_step(1);
	bake_fps->set_value(30); 
	bake_grid->add_child(memnew(Label(TTR("3D Pos/Rot/Scl Track:"))));
	bake_grid->add_child(bake_trs);
	bake_grid->add_child(memnew(Label(TTR("Blendshape Track:"))));
	bake_grid->add_child(bake_blendshape);
	bake_grid->add_child(memnew(Label(TTR("Value Track:"))));
	bake_grid->add_child(bake_value);
	bake_grid->add_child(memnew(Label(TTR("FPS:"))));
	bake_grid->add_child(bake_fps);
	
	track_copy_dialog = memnew(ConfirmationDialog);
	add_child(track_copy_dialog);
	track_copy_dialog->set_title(TTR("Select Tracks to Copy"));
	track_copy_dialog->set_ok_button_text(TTR("Copy"));
	VBoxContainer *track_copy_vbox = memnew(VBoxContainer);
	track_copy_dialog->add_child(track_copy_vbox);
	Button *select_all_button = memnew(Button);
	select_all_button->set_text(TTR("Select All/None"));
	select_all_button->connect("pressed", callable_mp(this, &AnimationTrackEditor::_select_all_tracks_for_copy));
	track_copy_vbox->add_child(select_all_button);
	track_copy_select = memnew(Tree);
	track_copy_select->set_h_size_flags(SIZE_EXPAND_FILL);
	track_copy_select->set_v_size_flags(SIZE_EXPAND_FILL);
	track_copy_select->set_hide_root(true);
	track_copy_vbox->add_child(track_copy_select);
	track_copy_dialog->connect("confirmed", callable_mp(this, &AnimationTrackEditor::_edit_menu_pressed).bind(EDIT_COPY_TRACKS_CONFIRM));
}
AnimationTrackEditor::~AnimationTrackEditor() {