executor: keep progress in information_schema.tiflash_replica two digits after the decimal point

[hehechen]

Signed-off-by: hehechen awd123456sss@gmail.com

What problem does this PR solve?

Issue Number: close #38412

Problem Summary:
For partitioned tables, progress in information_schema.tiflash_replica does not limit the number of digits after the decimal point. It's better to keep the same with non-partitioned tables and keep two digits after the decimal point.

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
  BR restore partition table with TiFlash replica.
  Before modified:
  
  After modified:
  
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• breezewish
• windtalker

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[hehechen]

/cc @breezewish @CalvinNeo @windtalker

[windtalker]

LGTM

[hehechen]

/assign @breezewish

[breezewish]

/merge

[ti-chi-bot]

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

Commit hash: 30ee7bd

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! New failing [2] after this pr merged.
These new failed integration tests seem to be caused by the current PR, please try to fix these new failed integration tests, thanks!

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci-tidb/integration-ddl-test	🟥 failed 1, success 5, total 6	23 min	New failing
idc-jenkins-ci-tidb/common-test	🟥 failed 1, success 10, total 11	9 min 23 sec	New failing
idc-jenkins-ci/integration-cdc-test	🟢 all 37 tests passed	24 min	Existing passed
idc-jenkins-ci-tidb/integration-common-test	🟢 all 17 tests passed	12 min	Existing passed
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	5 min 50 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	5 min 20 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	5 min 0 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	3 min 3 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	2 min 57 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed