fix: [hotfix-2.4] fill the metric type field in the LoadMetaInfo object

[SimFG]

• issue: [Bug]: Fail to search when upgrading the server from 2.3.x to 2.4.x #35960
• pr: fix: fill the metric type field in the LoadMetaInfo object #35962

[czs007]

/approve
/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, SimFG

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Needs approval from an approver in each of these files:

• internal/core/OWNERS [czs007]
• internal/querycoordv2/task/OWNERS [czs007]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.95%. Comparing base (b2f0290) to head (b863082).
Report is 1 commits behind head on hotfix-2.4.10.

Additional details and impacted files

@@                Coverage Diff                @@
##           hotfix-2.4.10   #35964      +/-   ##
=================================================
- Coverage          71.98%   71.95%   -0.03%     
=================================================
  Files               1056     1056              
  Lines             139304   139312       +8     
=================================================
- Hits              100274   100240      -34     
- Misses             34750    34779      +29     
- Partials            4280     4293      +13     

Files with missing lines	Coverage Δ
internal/core/src/query/SearchOnSealed.cpp	0.00% <ø> (ø)
internal/core/src/segcore/ConcurrentVector.h	88.54% <ø> (ø)
internal/querycoordv2/task/executor.go	79.79% <100.00%> (-1.34%)	⬇️

... and 33 files with indirect coverage changes

[sre-ci-robot]

New changes are detected. LGTM label has been removed.