server: skip the engine key when match store label

[rleungx]

What problem does this PR solve?

Issue Number: Close #8480.

What is changed and how does it work?

Check List

Tests

• Unit test

Release note

None.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.41%. Comparing base (838ee79) to head (251b478). Report is 40 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8486      +/-   ##
==========================================
+ Coverage   77.30%   77.41%   +0.11%     
==========================================
  Files         472      472              
  Lines       61789    61782       -7     
==========================================
+ Hits        47766    47831      +65     
+ Misses      10448    10381      -67     
+ Partials     3575     3570       -5     

Flag	Coverage Δ
unittests	77.41% <100.00%> (+0.11%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

[rleungx]

/check-issue-triage-complete

[ti-chi-bot[bot]]

@okJiang: adding LGTM is restricted to approvers and reviewers in OWNERS files.

In response to this:

LGTM, But LocationLabels seems to have been designed to be equivalent to Labels (if not, ignore it), but now there are other concepts for Labels, such as engine. So it's not clear if there are other places where this gap exists

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[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JmPotato, nolouch, okJiang

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Needs approval from an approver in each of these files:

• ~~OWNERS~~ [JmPotato,nolouch]

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[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-08-05 05:55:02.001204042 +0000 UTC m=+245031.868303149: :ballot_box_with_check: agreed by JmPotato.
• 2024-08-06 04:21:18.107196527 +0000 UTC m=+325807.974295615: :ballot_box_with_check: agreed by nolouch.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.5: #8572.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-6.1: #8573.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-5.4: #8574.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #8575.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #8576.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #8577.