add title attr to display file name

app/assets/javascripts/vue_shared/components/file_row.vue

@@ -136,6 +136,7 @@ export default {
     <div
       v-else
       :class="fileClass"
+      :title="file.name"
       class="file-row"
       role="button"
       @click="clickFile"

changelogs/unreleased/add-title-attribute-to-file-row.yml

+---
+title: add title attribute to display file name
+merge_request: 25154
+author: Satoshi Nakamatsu @satoshicano
+type: added