composer: propagate component startup errors

[ethanoroshiba]

Currently, the Composer run_until_stopped() method has two loops which wait on executor and the collectors to be ready before continuing. These checks do a fine job at exiting early if these components fail during startup, but do not propagate the errors which caused the failure. For example, if the chain ID check fails, the following error chain is propagated, not including executor source error chain:

executor failed to become ready
executor failed while waiting for it to become ready
channel closed

We should find a way to propagate these startup errors such that they will end up in the error chain in the composer JoinHandle.

Relevant Code:

astria/crates/astria-composer/src/composer.rs

Lines 261 to 267 in e67fdb9

	// wait for collectors and executor to come online
	wait_for_collectors(&geth_collector_statuses, &mut composer_status_sender)
	.await
	.wrap_err("geth collectors failed to become ready")?;
	wait_for_executor(executor_status, &mut composer_status_sender)
	.await
	.wrap_err("executor failed to become ready")?;

┆Issue Number: ENG-1026

[joroshiba]

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