prevent some ui errors for bad polls

vue/src/shared/services/poll_service.coffee

@@ -12,7 +12,7 @@ import RescueUnsavedEditsService from '@/shared/services/rescue_unsaved_edits_se
 
 export default new class PollService
   actions: (poll, vm, event) ->
-    return {} unless poll
+    return {} unless poll && poll.config()
     translate_poll:
       icon: 'mdi-translate'
       name: 'common.action.translate'