onlyoffice: fix external sign

packages/onlyoffice/index.ts

@@ -18,6 +18,7 @@ class OnlyofficeJWTHandler extends Handler {
         if (SystemModel.get('onlyoffice.externalSign')) {
             const res = await superagent.get(SystemModel.get('onlyoffice.externalSign')).query({ url });
             this.response.body = res.body;
+            return;
         }
         let path: string;
         try {

packages/onlyoffice/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/onlyoffice",
-    "version": "1.4.3",
+    "version": "1.4.4",
     "main": "index.ts",
     "repository": "git@github.com:hydro-dev/Hydro.git",
     "author": "undefined <i@undefined.moe>",