Fix mouse events after calling WarpPointer() under OS X.

See #16169.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_3_0_BRANCH@76303 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/osx/window_osx.cpp

@@ -1438,6 +1438,7 @@ void wxWindowMac::WarpPointer(int x_pos, int y_pos)
     DoClientToScreen(&x, &y);
     CGPoint cgpoint = CGPointMake( x, y );
     CGWarpMouseCursorPosition( cgpoint );
+    CGAssociateMouseAndMouseCursorPosition(true);
 
     // At least GTK sends a mouse moved event after WarpMouse
     wxMouseEvent event(wxEVT_MOTION);