Fallback to email if user does not yet have a username set

dashboard/src/components/AccessControl.vue

@@ -22,6 +22,7 @@ const cloudronAuth = !!(props.manifest.addons['ldap'] || props.manifest.addons['
 onMounted(async () => {
   let [error, result] = await usersModel.list();
   if (error) return console.error(error);
+  result.forEach(u => u.username = u.username || u.email);
   users.value = result;
 
   [error, result] = await groupsModel.list();
@@ -33,8 +34,6 @@ onMounted(async () => {
 
 <template>
   <div>
-
-    {{ model }}
     <FormGroup v-show="manifest.addons.email">
       <label>{{ $t('appstore.installDialog.userManagement') }}</label>
       <p>