enhance: skip load bm25 sparse row data

[aoiasd]

Skip load row data of bm25 sparse field, because it's forbidden to return.

[codecov]

Codecov Report

Attention: Patch coverage is 23.07692% with 20 lines in your changes missing coverage. Please review.

Project coverage is 82.83%. Comparing base (bca2a62) to head (6421d19).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/querynodev2/segments/segment_loader.go	0.00%	14 Missing ⚠️
internal/querynodev2/segments/segment.go	50.00%	4 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #39078       +/-   ##
===========================================
+ Coverage   69.63%   82.83%   +13.19%     
===========================================
  Files         299     1107      +808     
  Lines       26807   171646   +144839     
===========================================
+ Hits        18668   142182   +123514     
- Misses       8139    23799    +15660     
- Partials        0     5665     +5665     

Components	Coverage Δ
Client	79.50% <ø> (∅)
Core	∅ <ø> (∅)
Go	82.96% <23.07%> (∅)

Files with missing lines	Coverage Δ
internal/querynodev2/segments/segment.go	67.46% <50.00%> (ø)
internal/querynodev2/segments/segment_loader.go	70.73% <0.00%> (ø)

... and 1404 files with indirect coverage changes

[mergify]

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

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: aoiasd
To complete the pull request process, please assign congqixia after the PR has been reviewed.
You can assign the PR to them by writing /assign @congqixia in a comment when ready.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• internal/querynodev2/segments/OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[mergify]

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

[mergify]

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

[mergify]

@aoiasd go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@aoiasd go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

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

[mergify]

@aoiasd go-sdk check failed, comment rerun go-sdk can trigger the job again.

[mergify]

@aoiasd cpp-unit-test check failed, comment rerun cpp-unit-test can trigger the job again.

[mergify]

@aoiasd go-sdk check failed, comment rerun go-sdk can trigger the job again.