ISTWCMS-5740: updating name of dashboard css file

dashboard.js

@@ -40,7 +40,7 @@ module.exports = {
       .pipe(prefix({ cascade: false }))
       .pipe(rename(function (path) { path.dirname = ''; return path;}))
       .pipe(clean())
-      .pipe(rename('dashboard.css'))
+      .pipe(rename('uw-dashboard.min.css'))
       .pipe(dest('./dist/css'));
   }
 };