[#3046447] Restore cursor position on #ajax
The tests implemented in this MR are skipped because of #3396536: [random test failure] Re-enable AjaxTest::testAjaxFocus().
The tests can be run locally.
The tests implemented in this MR are skipped because of #3396536: [random test failure] Re-enable AjaxTest::testAjaxFocus().
The tests can be run locally.