### Godot version

4.1.1

### System information

linux

### Issue description

![image](https://github.com/godotengine/godot-proposals/assets/71937306/04dcf0e9-1c0d-4a7f-8ca9-827dd281253a)

![image](https://github.com/godotengine/godot-proposals/assets/71937306/aa70e31e-0486-455a-b8b4-7e589ec7b754)

notice how the first option in the list is never aligned with the button that spawned it.

### Steps to reproduce

right click in the FileSystem dock and hover over the `Create New →` option.

### Minimal reproduction project

editor
} else {
					activate_item(mouse_over);
				}
				set_input_as_handled();
			}
		}
	}
	
	Rect2 item_clickable_area = scroll_container->get_rect();
	if (scroll_container->get_v_scroll_bar()->is_visible_in_tree()) {
		if (is_layout_rtl()) {
			item_clickable_area.position.x += scroll_container->get_v_scroll_bar()->get_size().width;
		} else {
			item_clickable_area.size.width -= scroll_container->get_v_scroll_bar()->get_size().width;
		}
	}
	Ref<InputEventMouseButton> b = p_event;
	if (b.is_valid()) {
		if (!item_clickable_area.has_point(b->get_position())) {
			return;
		}
		MouseButton button_idx = b->get_button_index();
		if (!b->is_pressed()) {
			
			
			
			if (button_idx == MouseButton::LEFT || initial_button_mask.has_flag(mouse_button_to_mask(button_idx))) {
				bool was_during_grabbed_click = during_grabbed_click;
				during_grabbed_click = false;
				initial_button_mask.clear();