fix: orphan FramelessDraggables too (#5576)

src/widgets/BaseWindow.cpp

@@ -505,7 +505,7 @@ bool BaseWindow::event(QEvent *event)
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 7, 0)
-    if (this->flags_.has(DontFocus) || this->flags_.has(Dialog))
+    if (this->flags_.hasAny(DontFocus, Dialog, FramelessDraggable))
     {
         // This certain windows (e.g. TooltipWidget, input completion widget, and the search popup) retains their nullptr parent
         // NOTE that this currently does not retain their original transient parent (which is the window it was created under)