fix: Fix update loading collection's load config doesn't work

[weiliu1031]

issue: #38594
pr: #38595

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 81.05%. Comparing base (bca21bd) to head (72b2b4c).
Report is 2 commits behind head on 2.5.

Files with missing lines	Patch %	Lines
internal/querycoordv2/services.go	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              2.5   #38737   +/-   ##
=======================================
  Coverage   81.05%   81.05%           
=======================================
  Files        1381     1381           
  Lines      195110   195120   +10     
=======================================
+ Hits       158137   158159   +22     
+ Misses      31404    31401    -3     
+ Partials     5569     5560    -9     

Components	Coverage Δ
Client	78.26% <ø> (ø)
Core	69.33% <ø> (ø)
Go	83.04% <50.00%> (+<0.01%)	⬆️

Files with missing lines	Coverage Δ
internal/querycoordv2/services.go	85.94% <50.00%> (-0.64%)	⬇️

... and 29 files with indirect coverage changes

[tedxu]

/lgtm
/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tedxu, weiliu1031

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