### Godot version

4.0.dev(2fdaf2919c03ab50f971f2d51616d4ee329d29af)

### System information

any

### Issue description

AnimationPlayer is unintentionally hidden.

https://user-images.githubusercontent.com/61938263/217088704-c1ad44d6-ef7b-4b10-b351-f9f9fa166e39.mp4


### Steps to reproduce

Select AnimationTree -> Select AnimationPlayer

### Minimal reproduction project

N/A
for (int i = 0; i < bottom_panel_items.size(); i++) {
		if (bottom_panel_items[i].control == p_item) {
			if (p_item->is_visible_in_tree()) {
				_bottom_panel_switch(false, i);
			}
			bottom_panel_vb->remove_child(bottom_panel_items[i].control);
			bottom_panel_hb_editors->remove_child(bottom_panel_items[i].button);
			memdelete(bottom_panel_items[i].button);
			bottom_panel_items.remove_at(i);
			break;
		}
	}
	for (int i = 0; i < bottom_panel_items.size(); i++) {
		bottom_panel_items[i].button->disconnect("toggled", callable_mp(this, &EditorNode::_bottom_panel_switch));
		bottom_panel_items[i].button->connect("toggled", callable_mp(this, &EditorNode::_bottom_panel_switch).bind(i));
	}
}
void EditorNode::_bottom_panel_switch(bool p_enable, int p_idx) {
	if (bottom_panel_updating) {
		return;
	}
	ERR_FAIL_INDEX(p_idx, bottom_panel_items.size());
	if (bottom_panel_items[p_idx].control->is_visible() == p_enable) {
		return;
	}
	bottom_panel_updating = true;