revert browser newux changes (#5714)

browser/app/js/buckets/Bucket.js

@@ -20,19 +20,25 @@ import BucketDropdown from "./BucketDropdown"
 
 export const Bucket = ({ bucket, isActive, selectBucket }) => {
   return (
-    <div
+    <li
       className={classNames({
-        buckets__item: true,
-        "buckets__item--active": isActive
+        active: isActive
       })}
       onClick={e => {
         e.preventDefault()
         selectBucket(bucket)
       }}
     >
-      <a href="">{bucket}</a>
-      <BucketDropdown bucket={bucket} />
-    </div>
+      <a
+        href=""
+        className={classNames({
+          "fesli-loading": false
+        })}
+      >
+        {bucket}
+      </a>
+      <BucketDropdown bucket={bucket}/>
+    </li>
   )
 }