[KBSWITCH] Fix shutdown and logout dialog CORE-18563

20221028-0.4.15-dev-5273-g36f7d1a introduced bug.
Quick fix.
CORE-18563

base/applications/kbswitch/kbswitch.c

···
     HKL hKL = GetKeyboardLayout(dwThreadID);
     UpdateLanguageDisplay(hwnd, hKL);
 
-    if (IsWindow(g_hwndLastActive))
-        SetForegroundWindow(g_hwndLastActive);
-
     return 0;
 }