vjudge: luogu: wait for csrf token before submit

packages/vjudge/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.4.9",
+    "version": "1.4.10",
     "description": "Submit problems to remote oj",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",

packages/vjudge/src/providers/luogu.ts

@@ -80,7 +80,7 @@ export default class LuoguProvider implements IBasicProvider {
 
     async ensureLogin() {
         if (await this.loggedIn) {
-            this.getCsrfToken('/');
+            await this.getCsrfToken('/');
             return true;
         }
         logger.info('retry login');