improve responsive event-create form media query

assets/css/events/map/create.less

@@ -13,7 +13,7 @@ body#events.map form#create-event {
 
         vertical-align: top;
     }
-    @media (max-width: 1000px) {
+    @media (max-width: 1060px) {
         .datetime .switch {
             display: none;
         }