only remove from parent if not content view, fixes #13068

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67282 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/window_osx.cpp

@@ -298,7 +298,8 @@ void wxWindowMac::SetPeer(wxOSXWidgetImpl* peer)
 {
     if ( GetPeer() )
     {
-        GetPeer()->RemoveFromParent();
+        if ( !GetPeer()->IsRootControl() )
+            GetPeer()->RemoveFromParent();
         wxDELETE(m_peer);
     }