ticket zoom: change to js-submit class

app/assets/javascripts/app/controllers/ticket_zoom.js.coffee

@@ -1,6 +1,6 @@
 class App.TicketZoom extends App.Controller
   events:
-    'click .submit': 'submit'
+    'click .js-submit': 'submit'
 
   constructor: (params) ->
     super

app/assets/javascripts/app/views/ticket_zoom.jst.eco

@@ -88,7 +88,7 @@
       </select>
     </div>
     <div class="form-group">
-      <input type="submit" class="btn btn--primary submit" value="<%- @T('Update') %>">
+      <input type="submit" class="btn btn--primary js-submit" value="<%- @T('Update') %>">
     </div>
   </form>
 </div>