message: Remove subcategory and use child logger instead
diff: @@ -256,8 +256,8 @@ async function logFetchResponse(
  if (logger !== undefined) {
  const additionalProps = getAdditionalProps && (await getAdditionalProps(response, isFinalAttempt));
  logger.sendTelemetryEvent({
  - subCategory: "Request",
  - eventName: nameForLogging,
  + eventName: "odspFetchResponse",
  + requestName: nameForLogging,
  isFinalAttempt,
  status: response.status,
  durationMs: response.durationMs,
  