pauseWorker method
Pauses the worker with the given tag.
Throws if no worker with the tag exists.
Implementation
void pauseWorker(String tag) {
final worker = _workers.firstWhere(
(w) => w._tag == tag,
orElse: () => throw ArgumentError('No worker with tag $tag'),
);
worker.pause();
_eventController.add(IsolateWorkerPoolEvent(IsolateWorkerPoolEventType.pause, tag));
}