fix: prevent autofilling of Firefox password manager, closes #3458

Author: thorsten

phpmyfaq/assets/templates/admin/user/users.twig

@@ -35,7 +35,7 @@
           <div class="form-floating">
             <input type="text" class="form-control" id="pmf-user-list-autocomplete" aria-controls=""
                    name="user_list_search" placeholder="{{ ad_auth_user }}"
-                   spellcheck="false" autocomplete="off" autocapitalize="off" maxlength="2048"
+                   spellcheck="false" autocomplete="new-password" autocapitalize="off" maxlength="2048"
                    onkeydown="if(event.key === 'Enter') { event.preventDefault(); return false; }">
             <label for="pmf-user-list-autocomplete">{{ ad_auth_user }}</label>
           </div>