(scheduler/cdc): fix wrong region count stat

[hicqu]

What problem does this PR solve?

Issue Number: close #9057

What is changed and how it works?

Fix table region count statistics.

Check List

Tests

• Manual test (add detailed scripts or steps below)

[client.go:1108] ["QP region count"] [tableID=88] [storeID=6] [count=76]
[client.go:1108] ["QP region count"] [tableID=88] [storeID=8] [count=85]

Questions

Will it cause performance regression or break compatibility?

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

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• 3AceShowHand
• asddongmen

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[hicqu]

/test verify

[hicqu]

/merge

[ti-chi-bot]

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

Commit hash: 7ae3aad

[ti-chi-bot]

@hicqu: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

trigger some heavy tests which will not run always when PR updated.

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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[ti-chi-bot]

@hicqu: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cdc-integration-kafka-test	8421345	link	unknown	/test cdc-integration-kafka-test

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

[hicqu]

/test cdc-integration-kafka-test

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.1: #9061.