change translation handling for login error

Author: Petr Kachanovsky

adminforth/modules/restApi.ts

@@ -109,9 +109,9 @@ export default class AdminForthRestAPI implements IAdminForthRestAPI {
       noAuth: true,
       method: 'POST',
       path: '/login',
-      handler: async ({ body, response, headers, query, cookies, requestUrl }) => {
+      handler: async ({ body, response, headers, query, cookies, requestUrl, tr }) => {
 
-        const INVALID_MESSAGE = 'invalid_username_or_password';
+        const INVALID_MESSAGE = await tr('Invalid username or password', 'errors');
         const { username, password, rememberMe } = body;
         let adminUser: AdminUser;
         let toReturn: { redirectTo?: string, allowedLogin:boolean, error?: string } = { allowedLogin: true };

adminforth/spa/src/views/LoginView.vue

@@ -194,11 +194,7 @@ async function login() {
     }
   });
   if (resp.error) {
-    if (resp.error === 'invalid_username_or_password') {
-      error.value = t('Invalid username or password');
-    } else {
       error.value = resp.error;
-    }
   } else if (resp.redirectTo) {
     router.push(resp.redirectTo);
   } else {