Function setFetching

cli/src/hooks/use-activity-query.ts:621–623

(queryKey: readonly unknown[], fetching: boolean)

    else cache.refCounts.set(key, count)
  },
  setFetching(queryKey: readonly unknown[], fetching: boolean): void {
    setQueryFetching(serializeQueryKey(queryKey), fetching)
  },
  getInFlight(queryKey: readonly unknown[]): boolean {
    return inFlight.has(serializeQueryKey(queryKey))
  },