Since wxDialog::Show(false) only calls wxWindow::Show, we must explicitly hide the dialog ourselves.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63522 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/cocoa/dialog.mm

@@ -43,6 +43,7 @@ void wxDialog::DoShowWindowModal()
 void wxDialog::EndWindowModal()
 {
     [NSApp endSheet: GetWXWindow()];
+    [GetWXWindow() orderOut:GetWXWindow()];
 }
 
 void wxDialog::DoShowModal()