fix(app): unwrap _request without in operator

Author: pi0

src/runtime/internal/app.ts

@@ -125,11 +125,9 @@ function createNitroApp(): NitroApp {
  const nativeFetch = globalThis.fetch;
  globalThis.fetch = (input: RequestInfo | URL, init?: RequestInit) => {
  if (typeof input === "string" && input.charCodeAt(0) === 47 /* '/' */) {
- return request(input, init);
- }
- if ("_request" in (input as Request)) {
- input = (input as any)._request;
+ return request(input, init); // local request
  }
+ input = (input as any)._request || input; // unwrap srvx Request
  return nativeFetch(input, init);
  };