Merge pull request #88293 from WhalesState/tab_bar

Fix `TabBar` size when theme changes

scene/gui/tab_bar.cpp

@@ -376,6 +376,7 @@ void TabBar::_notification(int p_what) {
 			}
 
 			queue_redraw();
+			update_minimum_size();
 
 			[[fallthrough]];
 		}