improvement(reskin): sort dropdown mobile

Author: dedywahyudi

src/shared/components/challenge-detail/Header/TabSelector/index.jsx

@@ -277,7 +277,8 @@ export default function ChallengeViewSelector(props) {
     </React.Fragment>
   );
 
-  const isSubmissionTabSelected = currentSelected === 'submissions' || currentSelected === 'registrants';
+  const isSubmissionTabSelected = (isDesign && !(challenge.submissionViewable === 'true')) ? currentSelected === 'registrants'
+    : currentSelected === 'submissions' || currentSelected === 'registrants';
 
   return (
     <div