Fix broken multiselect in search on iOS

src/scss/partials/_leftSidebar.scss

@@ -213,6 +213,7 @@
     }
     
     .search-super-tabs-scrollable {
+      flex: 0 0 auto; 
       position: relative !important; 
 
       &:before {
@@ -514,6 +515,7 @@
 
   .scrollable-y {
     position: relative;
+    flex: 1 1 auto;
   }
 }