restrict fix from r75668 to GTK3 only, as it might cause flickering

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75670 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Russian translations update from Dmitry Levichev.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@75672 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775