*: move statistics, schedule from server to pkg

[HunDunDM]

What problem does this PR solve?

Issue Number: Ref #5839

What is changed and how does it work?

*: move statistics, schedule from server to pkg

Check List

Tests

• No code

Code changes

Side effects

Related changes

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lhy1024
• rleungx

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.42 ⚠️

Comparison is base (2296562) 74.50% compared to head (73a69b5) 74.08%.

❗ Current head 73a69b5 differs from pull request most recent head d6e1e34. Consider uploading reports for the commit d6e1e34 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6133      +/-   ##
==========================================
- Coverage   74.50%   74.08%   -0.42%     
==========================================
  Files         389      388       -1     
  Lines       38125    38061      -64     
==========================================
- Hits        28404    28199     -205     
- Misses       7210     7384     +174     
+ Partials     2511     2478      -33     

Flag	Coverage Δ
unittests	74.08% <ø> (-0.42%)	⬇️

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

Impacted Files	Coverage Δ
pkg/autoscaling/calculation.go	58.41% <ø> (ø)
pkg/mock/mockcluster/config.go	100.00% <ø> (ø)
pkg/mock/mockcluster/mockcluster.go	94.25% <ø> (ø)
pkg/mock/mockconfig/mockconfig.go	100.00% <ø> (ø)
pkg/mock/mockhbstream/mockhbstream.go	85.71% <ø> (ø)
pkg/schedule/checker/checker_controller.go	77.52% <ø> (ø)
pkg/schedule/checker/checker_pause.go	100.00% <ø> (ø)
pkg/schedule/checker/joint_state_checker.go	57.89% <ø> (ø)
pkg/schedule/checker/learner_checker.go	72.72% <ø> (ø)
pkg/schedule/checker/merge_checker.go	70.99% <ø> (ø)
... and 117 more

... and 27 files with indirect coverage changes

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[lhy1024]

“This CODEOWNERS file contains errors”

[HunDunDM]

This PR is for migration only, no other changes.

[HunDunDM]

/merge

[ti-chi-bot]

@HunDunDM: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: d6e1e34