Async code in runOnTransactionCommit (and other similar methods)

[mladen107]

When run async code is used runOnTransactionCommit, top level method with @transaction should also be somehow marked async and handler inside runOnTransactionCommit should be awaited.

Right now if there is code like this: runOnTransactionCommit(async () => { await Something(); throw new Error(); })

Error is ignored by Nest js and it even may crash the app (since there is nothing to "await" callback).