refactor(meta): provide SST id to worker id mapping in commit_epoch.

[zwang28]

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What's changed and what's your intention?

So that commit_epoch can validate input SSTs.

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• All checks passed in ./risedev check (or alias, ./risedev c)

Documentation

If your pull request contains user-facing changes, please specify the types of the changes, and create a release note. Otherwise, please feel free to remove this section.

Types of user-facing changes

Please keep the types that apply to your changes, and remove those that do not apply.

• Installation and deployment
• Connector (sources & sinks)
• SQL commands, functions, and operators
• RisingWave cluster configuration changes
• Other (please specify in the release note below)

Release note

Please create a release note for your changes. In the release note, focus on the impact on users, and mention the environment or conditions where the impact may occur.

Refer to a related PR or issue link (optional)

[codecov]

Codecov Report

Merging #4285 (d21cb74) into main (c488659) will increase coverage by 0.02%.
The diff coverage is 82.70%.

@@            Coverage Diff             @@
##             main    #4285      +/-   ##
==========================================
+ Coverage   74.31%   74.33%   +0.02%     
==========================================
  Files         844      844              
  Lines      122011   122117     +106     
==========================================
+ Hits        90675    90781     +106     
  Misses      31336    31336              

Flag	Coverage Δ
rust	74.33% <82.70%> (+0.02%)	⬆️

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

Impacted Files	Coverage Δ
src/compute/src/rpc/service/stream_service.rs	0.00% <0.00%> (ø)
src/meta/src/hummock/compaction_scheduler.rs	20.17% <0.00%> (ø)
src/meta/src/hummock/error.rs	2.50% <0.00%> (-0.14%)	⬇️
src/meta/src/rpc/service/hummock_service.rs	6.57% <0.00%> (ø)
src/rpc_client/src/meta_client.rs	0.00% <0.00%> (ø)
src/meta/src/hummock/hummock_manager.rs	84.91% <70.96%> (-0.45%)	⬇️
src/meta/src/barrier/mod.rs	84.05% <81.25%> (+0.28%)	⬆️
src/meta/src/hummock/compactor_manager.rs	97.86% <85.71%> (+0.03%)	⬆️
src/meta/src/hummock/hummock_manager_tests.rs	91.03% <88.65%> (+2.48%)	⬆️
src/meta/src/hummock/mock_hummock_meta_client.rs	43.10% <100.00%> (+2.03%)	⬆️
... and 8 more

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[hzxa21]

Thanks for the PR. LGTM