fix: [2.4] in segcore validate search sparse vector to make sure it is legal

[zhengbuqian]

pr: #32856

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.19%. Comparing base (ad4c197) to head (efdcebd).
Report is 8 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #33312      +/-   ##
==========================================
+ Coverage   82.14%   82.19%   +0.05%     
==========================================
  Files        1005      996       -9     
  Lines      128053   128278     +225     
==========================================
+ Hits       105184   105438     +254     
+ Misses      18913    18870      -43     
- Partials     3956     3970      +14     

Files	Coverage Δ
internal/core/src/common/Utils.h	89.71% <100.00%> (+1.42%)	⬆️
internal/core/src/query/Plan.cpp	56.66% <100.00%> (+1.11%)	⬆️

... and 220 files with indirect coverage changes

[congqixia]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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