Add default clients (#105)

* Add the possibility to create client enabled by default when creating new accounts
* Can mark clients are granted for all users, regardless of users accounts grants

Reviewed-on: #105

templates/settings/edit_user.html

@@ -144,7 +144,7 @@
             <div class="form-check">
                 <input id="client-{{ c.id.0 }}" class="form-check-input authorize_client_checkbox" type="checkbox"
                        data-id="{{ c.id.0 }}"
-                       {% if u.can_access_app(c.id) %} checked="" {% endif %}>
+                       {% if u.can_access_app(c) %} checked="" {% endif %}>
                 <label class="form-check-label" for="client-{{ c.id.0 }}">
                     {{ c.name }}
                 </label>