judge: 修复spj的WA被报告为SystemError的错误

packages/hydrojudge/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.1.5",
+    "version": "2.1.6",
     "main": "package.json",
     "author": "masnn",
     "dependencies": {

packages/hydrojudge/src/checkers.ts

@@ -169,7 +169,7 @@ const checkers: Record<string, Checker> = {
                 ...config.copyIn,
             },
         });
-        if (status !== STATUS.STATUS_ACCEPTED) {
+        if (status === STATUS.STATUS_SYSTEM_ERROR) {
             return {
                 status: STATUS.STATUS_SYSTEM_ERROR,
                 score: 0,