sorter: correct wrong metric about next duration

[hicqu]

What problem does this PR solve?

Issue Number: close #11576

What is changed and how it works?

Correct a metric.

Check List

Tests

• No code

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

None

[hicqu]

/rebuild

[hicqu]

/check-issue-triage-complete

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: 3AceShowHand, CharlesCheung96

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Needs approval from an approver in each of these files:

• OWNERS [3AceShowHand,CharlesCheung96]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-09-09 08:22:24.557697253 +0000 UTC m=+258214.298121192: ☑️ agreed by 3AceShowHand.
• 2024-09-09 08:27:45.003852157 +0000 UTC m=+258534.744276095: ☑️ agreed by CharlesCheung96.

[hicqu]

/retest

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 57.4763%. Comparing base (f74f863) to head (08d90bd).
Report is 2 commits behind head on master.

Additional details and impacted files

Components	Coverage Δ
cdc	61.2270% <66.6666%> (+0.0348%)	⬆️
dm	51.0334% <ø> (-0.0081%)	⬇️
engine	63.4232% <ø> (+0.0353%)	⬆️

Flag	Coverage Δ
unit	57.4763% <66.6666%> (+0.0179%)	⬆️

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

@@               Coverage Diff                @@
##             master     #11577        +/-   ##
================================================
+ Coverage   57.4584%   57.4763%   +0.0179%     
================================================
  Files           851        851                
  Lines        126495     126492         -3     
================================================
+ Hits          72682      72703        +21     
+ Misses        48404      48385        -19     
+ Partials       5409       5404         -5     

[hicqu]

/retest

[hicqu]

/retest

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #11581.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-8.1: #11582.