Hide refresh button and its spinner on initial balance fetch (#1108)

common/components/BalanceSidebar/AccountInfo.tsx

@@ -134,6 +134,8 @@ class AccountInfo extends React.Component<Props, State> {
                   symbol={balance.wei ? network.name : null}
                 />
               </span>
+              {balance.wei && (
+                <React.Fragment>
                   {balance.isPending ? (
                     <Spinner />
                   ) : (
@@ -146,6 +148,8 @@ class AccountInfo extends React.Component<Props, State> {
                       </button>
                     )
                   )}
+                </React.Fragment>
+              )}
             </li>
           </ul>
         </div>