Show group membership(s) in user-summary and user-list

app/Template/user_list/user_details.php

@@ -10,4 +10,8 @@
     <?php if (! empty($user['email'])): ?>
         <span><a href="mailto:<?= $this->text->e($user['email']) ?>"><?= $this->text->e($user['email']) ?></a></span>
     <?php endif ?>
+
+    <?php if (! empty($this->user->getGroupNames($user['id'])) ): ?>
+        <span><i class="fa fa-fw fa-group aria-hidden="true"></i> <?= $this->user->getGroupNames($user['id']) ?></span>
+    <?php endif ?>
 </div>

app/Template/user_view/show.php

@@ -14,6 +14,7 @@
 </div>
 <ul class="panel">
     <li><?= t('Role:') ?> <strong><?= $this->user->getRoleName($user['role']) ?></strong></li>
+    <li><?= t('Group membership(s):') ?> <strong><?= $this->user->getGroupNames($user['id']) ?></strong></li>
     <li><?= t('Account type:') ?> <strong><?= $user['is_ldap_user'] ? t('Remote') : t('Local') ?></strong></li>
     <li><?= $user['twofactor_activated'] == 1 ? t('Two factor authentication enabled') :  t('Two factor authentication disabled') ?></li>
     <li><?= t('Number of failed login:') ?> <strong><?= $user['nb_failed_login'] ?></strong></li>