Merge pull request #1844 from blockscout/hide-loading-tab-menu

hide tabs menu when loading

ui/shared/Tabs/AdaptiveTabsList.tsx

@@ -80,6 +80,10 @@ const AdaptiveTabsList = (props: Props) => {
     >
       { tabsList.map((tab, index) => {
         if (!tab.id) {
+          if (props.isLoading) {
+            return null;
+          }
+
           return (
             <TabsMenu
               key="menu"