backport of r75966, make sure a frozen control calls a native 'thaw' on the tlw

during destruction, otherwise tlws might end up unresponsive, see #16011

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@75969 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/window.mm

@@ -1834,6 +1834,9 @@ void wxWidgetCocoaImpl::Init()
 
 wxWidgetCocoaImpl::~wxWidgetCocoaImpl()
 {
+    if ( GetWXPeer() && GetWXPeer()->IsFrozen() )
+        [[m_osxView window] enableFlushWindow];
+    
     RemoveAssociations( this );
 
     if ( !IsRootControl() )