### Godot version

v4.2.dev3.official [013e8e3af]

### System information

Windows 10, 64bit

### Issue description

![image](https://github.com/godotengine/godot/assets/35988767/ccdac68c-a60d-491b-a406-d6e3bc1c95ae)
![GIF](https://github.com/godotengine/godot/assets/35988767/7d230faf-0260-4bc3-92e8-11cd026931a8)


### Steps to reproduce

/

### Minimal reproduction project

/
if (is_layout_rtl()) {
				if (pos.x <= theme_cache.menu_icon->get_width()) {
					if (!menu_hovered) {
						menu_hovered = true;
						queue_redraw();
						return;
					}
				} else if (menu_hovered) {
					menu_hovered = false;
					queue_redraw();
				}
			} else {
				if (pos.x >= size.width - theme_cache.menu_icon->get_width()) {
					if (!menu_hovered) {
						menu_hovered = true;
						queue_redraw();
						return;
					}
				} else if (menu_hovered) {
					menu_hovered = false;
					queue_redraw();
				}
			}
			if (menu_hovered) {
				return;
			}
		}
	}
}
void TabContainer::_update_theme_item_cache() {