Fix issue with displaying user info and associated separator

Signed-off-by: Phillip Rak <rak.phillip@gmail.com>

shell/components/nav/Header.vue

@@ -673,6 +673,7 @@ export default {
             />
           </rc-dropdown-trigger>
           <template #dropdownCollection>
+            <template v-if="authEnabled">
               <div class="user-info">
                 <div class="user-name">
                   <i class="icon icon-lg icon-user" /> {{ principal.loginName }}
@@ -684,6 +685,7 @@ export default {
                 </div>
               </div>
               <rc-dropdown-separator />
+            </template>
             <rc-dropdown-item
               v-if="showPreferencesLink"
               @click="$router.push({ name: 'prefs'})"