fix: send headers to error rewrites

middlewares/webView.ts

@@ -55,6 +55,9 @@ export const middleware: NextMiddleware = async (request) => {
         headers: {
           "Set-Cookie": `webviewToken=0; Max-Age=0; Secure; HttpOnly; Path=/; SameSite=Strict;`,
         },
+        request: {
+          headers,
+        },
       }
     )
   }