[skip ci] use camelCase for avatarUrl property name

app/assets/javascripts/sidebar/components/assignees/assignees.js

@@ -118,7 +118,7 @@ export default {
             width="24"
             class="avatar avatar-inline s24"
             :alt="assigneeAlt(user)"
-            :src="user.avatar_url"
+            :src="user.avatarUrl"
           />
           <span class="author">
             {{ user.name }}
@@ -158,7 +158,7 @@ export default {
               width="32"
               class="avatar avatar-inline s32"
               :alt="assigneeAlt(firstUser)"
-              :src="firstUser.avatar_url"
+              :src="firstUser.avatarUrl"
             />
             <span class="author">
               {{ firstUser.name }}
@@ -185,7 +185,7 @@ export default {
                   width="32"
                   class="avatar avatar-inline s32"
                   :alt="assigneeAlt(user)"
-                  :src="user.avatar_url"
+                  :src="user.avatarUrl"
                 />
               </a>
             </div>

app/assets/javascripts/sidebar/stores/sidebar_store.js

@@ -20,7 +20,12 @@ export default class SidebarStore {
 
   processUserData(data) {
     if (data.assignees) {
-      this.renderedUsers = data.assignees;
+      this.renderedUsers = data.assignees.map(a => {
+        a.avatarUrl = a.avatar_url;
+        delete a.avatar_url;
+
+        return a;
+      });
 
       this.removeAllUserIds();
       this.renderedUsers.map(u => this.addUserId(u.id));