fix: sends events in order

[yuhao900914]

Summary

Jira AMP-98809

This change is for making sure the events sent into the backend are in order.
Previously in the Typescript SDK, we

• Sent different promises in parallel using Promise.all, which led to race conditions.
• Scheduled individual events based on their own timeout, which also resulted in events being sent out of order.

Current behavior:

• In the event of an error, we filter out problematic events while keeping all other events in the queue. These events will be retried with the next trigger.

Checklist

• Does your PR title have the correct title format?
• Does your PR have a breaking change?:

[Mercy811]

Thank you Alyssa. Overall looks good to me. See nits.