enhance: [2.4]Allow empty sparse row

[zhengbuqian]

pr: #34700

[mergify]

@zhengbuqian

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[mergify]

@zhengbuqian E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[zhengbuqian]

/run-cpu-e2e

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.95%. Comparing base (55b33cd) to head (bb831cd).
Report is 25 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #36061      +/-   ##
==========================================
- Coverage   71.95%   71.95%   -0.01%     
==========================================
  Files        1058     1058              
  Lines      139344   139341       -3     
==========================================
- Hits       100267   100263       -4     
+ Misses      34815    34793      -22     
- Partials     4262     4285      +23     

Files with missing lines	Coverage Δ
internal/core/src/common/Utils.h	61.38% <ø> (-0.38%)	⬇️
internal/core/src/segcore/FieldIndexing.h	22.72% <100.00%> (ø)
pkg/util/typeutil/schema.go	85.98% <100.00%> (+0.14%)	⬆️

... and 34 files with indirect coverage changes

[congqixia]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, zhengbuqian

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