[feat][broker] add topic-level subscription expiration time policy

[codelipenghui]

Motivation:

Add topic-level override support for subscription expiration time on TopicPolicies. Changes: admin API/client methods, broker hierarchy cache wiring, v2 topic policy endpoints, runtime effective-value lookup for inactive subscription cleanup, topicPolicies CLI commands, and comprehensive tests for precedence/authz/disable/cli coverage.

Testing

focused compile passed and focused new/updated tests passed.

Documentation

• doc
• doc-required
• doc-not-needed
• doc-complete

[github-actions]

@codelipenghui Please add the following content to your PR description and select a checkbox:

- [ ] `doc` <!-- Your PR contains doc changes -->
- [ ] `doc-required` <!-- Your PR changes impact docs and you will update later -->
- [ ] `doc-not-needed` <!-- Your PR changes do not impact docs -->
- [ ] `doc-complete` <!-- Docs have been already added -->

[codecov-commenter]

Codecov Report

❌ Patch coverage is 93.87755% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.65%. Comparing base (82fcb18) to head (b7d6691).
⚠️ Report is 114 commits behind head on master.

Files with missing lines	Patch %	Lines
...ulsar/client/admin/internal/TopicPoliciesImpl.java	79.16%	5 Missing ⚠️
...che/pulsar/common/policies/data/TopicPolicies.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #25258       +/-   ##
=============================================
+ Coverage     37.64%   72.65%   +35.00%     
- Complexity    13387    34048    +20661     
=============================================
  Files          1902     1959       +57     
  Lines        151239   155502     +4263     
  Branches      17240    17731      +491     
=============================================
+ Hits          56939   112975    +56036     
+ Misses        86586    33520    -53066     
- Partials       7714     9007     +1293     

Flag	Coverage Δ
inttests	25.88% <9.18%> (+0.01%)	⬆️
systests	22.32% <7.14%> (-0.15%)	⬇️
unittests	73.63% <93.87%> (+39.24%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...pulsar/broker/admin/impl/PersistentTopicsBase.java	69.81% <100.00%> (+58.27%)	⬆️
...pache/pulsar/broker/admin/v2/PersistentTopics.java	87.79% <100.00%> (+75.57%)	⬆️
...rg/apache/pulsar/broker/service/AbstractTopic.java	88.53% <100.00%> (+22.64%)	⬆️
...sar/broker/service/persistent/PersistentTopic.java	80.14% <100.00%> (+30.11%)	⬆️
.../org/apache/pulsar/client/admin/TopicPolicies.java	100.00% <ø> (+100.00%)	⬆️
.../org/apache/pulsar/admin/cli/CmdTopicPolicies.java	88.55% <100.00%> (+88.55%)	⬆️
...r/common/policies/data/HierarchyTopicPolicies.java	100.00% <100.00%> (ø)
...che/pulsar/common/policies/data/TopicPolicies.java	54.79% <0.00%> (+33.96%)	⬆️
...ulsar/client/admin/internal/TopicPoliciesImpl.java	94.34% <79.16%> (+89.03%)	⬆️

... and 1407 files with indirect coverage changes

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[lhotari]

LGTM