fix: Fix filtering by partition key fails for importing data

[bigsheeper]

Before executing the import, partition IDs should be reordered according to partition names. Otherwise, the data might be hashed to the wrong partition during import. This PR corrects this error.

issue: #33237

[xiaofan-luan]

/lgtm
/approve

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 82.18%. Comparing base (fc765c6) to head (f5a8949).
Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #33274      +/-   ##
==========================================
- Coverage   82.19%   82.18%   -0.02%     
==========================================
  Files        1009     1009              
  Lines      128871   128844      -27     
==========================================
- Hits       105931   105894      -37     
- Misses      18956    18962       +6     
- Partials     3984     3988       +4     

Files	Coverage Δ
internal/proxy/msg_pack.go	74.39% <100.00%> (ø)
internal/proxy/util.go	89.74% <ø> (+0.55%)	⬆️
internal/proxy/impl.go	86.39% <25.00%> (-0.04%)	⬇️

... and 37 files with indirect coverage changes

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bigsheeper, czs007, xiaofan-luan

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• internal/proxy/OWNERS [czs007,xiaofan-luan]
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