[Branch-2.7] Fixed deadlock on metadata cache missing while doing checkReplication

[Jason918]

Motivation

The origin PR #12484 is merged into branch 2.7, but reverted in #16882 because Unit test BrokerBookieIsolationTest#testBookieIsilationWithSecondaryGroup fails.

The root cause is that policies and localPolicies are not updated after they are read from async process.

Modifications

1. Cherry-pick PR [Branch-2.7] Fixed deadlock on metadata cache missing while doing che… #12484
2. Change optPolicies, optLocalPolicies to policies, localPolicies in
   https://github.com/merlimat/pulsar/blob/f53ddc13d7fb28f4c1bd73b23e7f3d8b7fc35591/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/BrokerService.java#L1209

Verifying this change

• Make sure that the change passes the CI checks.

This change is already covered by existing tests, such as BrokerBookieIsolationTest#testBookieIsilationWithSecondaryGroup

Documentation

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Need to update docs?

• doc-not-needed
  bug fix.

[Jason918]

/pulsarbot run-failure-checks