after br restore, partition table stats_meta modify count and row count are abnormal

[AkiraXie]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. br restore

2. What did you expect to see? (Required)

1. global stats modify count and row count are normal
2. partition stats modify count and row count are normal

3. What did you see instead (Required)

1. global stats modify count and row count are normal
2. partition stats modify count and row count are abnormal
   

4. What is your TiDB version? (Required)

Release Version: v6.5.0-alpha
Edition: Community
Git Commit Hash: cca78e3
Git Branch: heads/refs/tags/v6.5.0-alpha
UTC Build Time: 2022-11-30 00:24:59
GoVersion: go1.19.3
Race Enabled: false
TiKV Min Version: 6.2.0-alpha
Check Table Before Drop: false
Store: tikv

[AkiraXie]

/sig planner
/severity major

[AkiraXie]

/label sig/planner

[ti-chi-bot]

@AkiraXie: The label(s) sig/planner cannot be applied. These labels are supported: fuzz/sqlancer, challenge-program, compatibility-breaker, first-time-contributor, contribution, require-LGT3, good first issue, correctness, duplicate, proposal, security, needs-more-info, needs-cherry-pick-release-4.0, needs-cherry-pick-release-5.0, needs-cherry-pick-release-5.1, needs-cherry-pick-release-5.2, needs-cherry-pick-release-5.3, needs-cherry-pick-release-5.4, needs-cherry-pick-release-6.0, needs-cherry-pick-release-6.1, needs-cherry-pick-release-6.2, needs-cherry-pick-release-6.3, needs-cherry-pick-release-6.4, affects-4.0, affects-5.0, affects-5.1, affects-5.2, affects-5.3, affects-5.4, affects-6.0, affects-6.1, affects-6.2, affects-6.3, affects-6.4, may-affects-4.0, may-affects-5.0, may-affects-5.1, may-affects-5.2, may-affects-5.3, may-affects-5.4, may-affects-6.0, may-affects-6.1, may-affects-6.2, may-affects-6.3, may-affects-6.4.

In response to this:

/label sig/planner

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[AkiraXie]

/found automation