Fix missing style for Generate Password button on Add User page

Author: Kristan Kenney

web/templates/admin/add_user.html

@@ -83,7 +83,7 @@
                             </tr>
                             <tr>
                                 <td class="vst-text input-label">
-                                    <?php print _('Password');?> / <a href="javascript:randomString();" class="generate" ><?php print _('generate');?></a>
+                                    <?php print _('Password');?> <a href="javascript:randomString();" title="<?php print _('generate');?>"><i class="fas fa-sync status-icon green icon-large"></i></a>
                                 </td>
                             </tr>
                             <tr>