[feat][pip] PIP-452: Customizable topic listing of namespace with properties

[coderzc]

Fixes #xyz

Main Issue: #xyz

PIP: #xyz

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Pull request overview

This PR introduces PIP-452, which proposes a design for customizable topic listing in Pulsar's GetTopicsOfNamespace command. The proposal aims to make topic discovery more flexible by allowing clients to pass context properties and enabling plugins to override the default metadata store scanning behavior.

Changes:

• Adds protocol extension to include properties field in CommandGetTopicsOfNamespace
• Introduces BrokerInterceptor interface method for custom topic listing logic
• Extends REST API and CLI to support properties parameter for topic listing

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[coderzc]

After discussions with @codelipenghui and @BewareMyPower, we found that the current working method of BrokerInterceptor cannot accurately specify which result to use when multiple BrokerInterceptors are configured. Therefore, a new pluggable interface PulsarResourcesExtended has been introduced to implement this feature.

PulsarResourcesExtended is defined as a general interface used as an extension for customized PulsarResources

[lhotari]

LGTM

[coderzc]

Since the vote has been passed, merge this PIP