Enhancement Trigger Event Handler

[realLiangshiwei]

Resolve #11030

public class EmailSendEventData
{
}

public class EmailSendEventHandler : IDistributedEventHandler<EmailSendEventData>, ITransientDependency
{
    public Task HandleEventAsync(EmailSendEventData eventData)
    {
        return Task.CompletedTask;
    }
}

for (var i = 0; i < 10000; i++)
{
    await bus.PublishAsync(new EmailSendEventData());
}

Before 65ms
After 54ms