Enhance user experience, add close button to file details page

dolphinscheduler-ui/src/js/conf/home/pages/resource/pages/file/pages/details/index.vue

@@ -23,6 +23,9 @@
           <div class="down">
             <em class="ans-icon-download" style="font-size:20px" data-container="body" data-toggle="tooltip" :title="$t('Download Details')" @click="_downloadFile"></em>
             <em>{{size}}</em>
+            &nbsp;&nbsp;
+            <em class="ans-icon-fail-empty" style="font-size:20px" data-container="body" data-toggle="tooltip" :title="$t('Return')" @click="close()"></em>
+            &nbsp;&nbsp;
           </div>
         </h2>
         <template v-if="isNoType">
@@ -80,6 +83,9 @@
       _go () {
         this.$router.push({ name: 'file' })
       },
+      close () {
+        this.$router.go(-1)
+      },
       _downloadFile () {
         downloadFile('/dolphinscheduler/resources/download', {
           id: this.$route.params.id