fix(streaming): use correct dist key in pk in state table for hash join

[yuhao-su]

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What's changed and what's your intention?

• use correct dist key in pk in state table for hash join

#8377
close #7698

Checklist For Contributors

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• I have demonstrated that backward compatibility is not broken by breaking changes and created issues to track deprecated features to be removed in the future. (Please refer to the issue)
• All checks passed in ./risedev check (or alias, ./risedev c)

Checklist For Reviewers

• I have requested macro/micro-benchmarks as this PR can affect performance substantially, and the results are shown.

Documentation

• My PR DOES NOT contain user-facing changes.

Click here for Documentation

Types of user-facing changes

Please keep the types that apply to your changes, and remove the others.

• 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

[codecov]

Codecov Report

Merging #8404 (0feabdb) into main (e6f2561) will increase coverage by 0.03%.
The diff coverage is 87.71%.

@@            Coverage Diff             @@
##             main    #8404      +/-   ##
==========================================
+ Coverage   71.62%   71.65%   +0.03%     
==========================================
  Files        1135     1135              
  Lines      185458   185432      -26     
==========================================
+ Hits       132835   132874      +39     
+ Misses      52623    52558      -65     

Flag	Coverage Δ
rust	71.65% <87.71%> (+0.03%)	⬆️

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

Impacted Files	Coverage Δ
src/stream/src/common/table/state_table.rs	88.60% <28.57%> (-0.58%)	⬇️
src/frontend/src/optimizer/plan_node/stream.rs	15.78% <90.90%> (+1.32%)	⬆️
...ontend/src/optimizer/plan_node/stream_hash_join.rs	94.51% <96.55%> (-0.01%)	⬇️
src/frontend/src/catalog/table_catalog.rs	93.87% <100.00%> (+0.06%)	⬆️
...tend/src/optimizer/plan_node/stream_materialize.rs	95.81% <100.00%> (+0.01%)	⬆️
src/frontend/src/optimizer/plan_node/utils.rs	91.81% <100.00%> (+0.30%)	⬆️
...rc/storage/hummock_sdk/src/filter_key_extractor.rs	93.90% <100.00%> (+0.01%)	⬆️
...frontend/src/scheduler/hummock_snapshot_manager.rs	60.00% <0.00%> (-0.48%)	⬇️
src/stream/src/executor/aggregation/minput.rs	96.27% <0.00%> (+0.10%)	⬆️
... and 5 more

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[st1page]

LGTM!