Display the element's creator

vue/Element/DetailsPanel.vue

 <template>
   <div>
     <div v-if="element" class="mb-3">
-      <template v-if="element.worker_version">
+      <template v-if="element.worker_version || element.creator">
         <p class="is-pulled-right">
           Created by
-          <WorkerVersionDetails :worker-version-id="element.worker_version" />
+          <WorkerVersionDetails v-if="element.worker_version" :worker-version-id="element.worker_version" />
+          <strong v-else>{{ element.creator }}</strong>
         </p>
       </template>