Cleanup synchronous call in resources component

[mattisonchao]

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• [X] I searched in the issues and found nothing similar.

Motivation

We should clean up all the synchronous call for resources components to avoid someone using them to block the metadata thread.

FYI: https://github.com/apache/pulsar/pull/22542

Solution

No response

Alternatives

No response

Anything else?

No response

Are you willing to submit a PR?

• [ ] I'm willing to submit a PR!

[lhotari]

We have another problem with asynchronous calls and that's about the lack of proper backpressure. Here's a comment about it: https://github.com/apache/pulsar/pull/22541#issuecomment-2071568113 .