refactor(server): auth/oauth (#3242)

* refactor(server): auth/oauth

* fix: show server error message on login failure

server/src/domain/auth/auth.constant.ts

@@ -1,3 +1,5 @@
+export const MOBILE_REDIRECT = 'app.immich:/';
+export const LOGIN_URL = '/auth/login?autoLaunch=0';
 export const IMMICH_ACCESS_COOKIE = 'immich_access_token';
 export const IMMICH_AUTH_TYPE_COOKIE = 'immich_auth_type';
 export const IMMICH_API_KEY_NAME = 'api_key';