message: fix empty {} Content in coFetchText causes PipelineLogs to show error
diff: @@ -149,7 +149,7 @@ export const coFetchCommon = (url, method = 'GET', options = {}, timeout) => {
  // If the response has no body, return promise that resolves with an empty object
  if (response.headers.get('Content-Length') === '0') {
  - return Promise.resolve({});
  + return Promise.resolve(response.headers.get('Content-Type') === 'text/plain' ? '' : {});
  }
  if (response.headers.get('Content-Type') === 'text/plain') {
  return response.text();
  