TouchUI fix

src/components/calendar/Calendar.vue

@@ -1469,7 +1469,9 @@ export default {
                 focus: event => {
                     $vm.focus = true;
                     if ($vm.showOnFocus && $vm.isEnabled()) {
+                        setTimeout(() => {
                             $vm.overlayVisible = true;
+                        }, 150);
                     }
                     $vm.focused = true;
                     $vm.$emit('focus', event)