AO3-7353 Lint fix

Author: runxii

app/views/gifts/index.html.erb

@@ -17,7 +17,7 @@
       <%= span_if_current ts("Accepted Gifts"), user_gifts_path(@user), !(params[:refused]) %>
     </li>
     <li>
-      <%= span_if_current(ts("Refused Gifts"), user_gifts_path(@user, refused: true), params[:refused]=="true") %>
+      <%= span_if_current(ts("Refused Gifts"), user_gifts_path(@user, refused: true), params[:refused] == "true") %>
     </li>
   </ul>
 <% elsif !@user %>