lightning: fix int handle overflow and add retry for create schema

[glorv]

What problem does this PR solve?

• Fix the bug that lightning failed when int handle value int64.MaxValue . close Lightning ERROR "["startKey > endKey when paginating scan region"] [startKey=7480000000000307FFB85F720000000000FF0000000000000000FA] [endKey=7480000000000307FFB85F720000000000FF0000000000000000FA]" #1291
• Add retry for restoreSchema. close Lightning failed to import DDL "Error 9007: Write conflict" #1290

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

Side effects

Related changes

• Need to cherry-pick to the release branch

Release note

• Fix the bug that int handle overflow and add retry for create schema

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• kennytm
• overvenus

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[kennytm]

/merge

[ti-chi-bot]

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

Commit hash: 6e35c86

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #1307.

[ti-chi-bot]

In response to a cherrypick label: new pull request created: #1308.