Fix random 0 can appear in survey menubar (#553)

Co-authored-by: Seram Nitesh Singh <nitesh.s@auzmor.com>

apps/web/app/environments/[environmentId]/surveys/[surveyId]/edit/SurveyMenuBar.tsx

@@ -138,7 +138,7 @@ export default function SurveyMenuBar({
           className="w-72 border-white hover:border-slate-200 "
         />
       </div>
-      {localSurvey?.responseRate && (
+      {!!localSurvey?.responseRate && (
         <div className="mx-auto flex items-center rounded-full border border-amber-200 bg-amber-100 p-2 text-sm text-amber-700 shadow-sm">
           <ExclamationTriangleIcon className="mr-2 h-5 w-5 text-amber-400" />
           This survey received responses. To keep the data consistent, make changes with caution.