message: increase max job count to 16384 from 4096
  the cost is only 2 bytes per job.
diff: namespace utils {
  class JobSystem {
  - static constexpr size_t MAX_JOB_COUNT = 4096;
  + static constexpr size_t MAX_JOB_COUNT = 16384;
  static_assert(MAX_JOB_COUNT <= 0x7FFE, "MAX_JOB_COUNT must be <= 0x7FFE");
  using WorkQueue = WorkStealingDequeue<uint16_t, MAX_JOB_COUNT>;
  @@ -196,6 +196,7 @@ public:
  if (job) {
  new(job->storage) T(std::move(data));
  }
  + assert(job);
  return job;
  }
  @@ -361,6 +362,7 @@ private:
  void finish(Job* job) noexcept;
  void put(WorkQueue& workQueue, Job* job) noexcept {
  + assert(job);
  size_t index = job - mJobStorageBase;
  assert(index >= 0 && index < MAX_JOB_COUNT);
  workQueue.push(uint16_t(index + 1));
  