GlobalShortcutsTest: Fix testNonLatinLayout

Have it switch back from the Russian layout, otherwise the rest of tests
are run with this one and fail as they produce weird shortcuts.

autotests/integration/globalshortcuts_test.cpp

@@ -76,6 +76,9 @@ void GlobalShortcutsTest::init()
     QVERIFY(Test::setupWaylandConnection());
     screens()->setCurrent(0);
     KWin::Cursors::self()->mouse()->setPos(QPoint(640, 512));
+
+    auto xkb = input()->keyboard()->xkb();
+    xkb->switchToLayout(0);
 }
 
 void GlobalShortcutsTest::cleanup()