*: handle region error for GetMvccByEncodedKey API(#47811)

[crazycs520]

What problem does this PR solve?

Issue Number: close #47807

Problem Summary: pick #47811

What is changed and how it works?

Before:

Related TIDB Log:

# rg "failed to get schema version"
tidb.log
9758:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
9760:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
9762:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
9764:[2023/10/19 18:11:18.100 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]
10034:[2023/10/19 18:11:28.173 +08:00] [WARN] [domain.go:195] ["failed to get schema version"] [error="There is no Write MVCC info for the schema version"] [version=40]

This PR:

# rg "failed to get schema version"

Check List

Tests

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

  • I checked and no code files have been changed.

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

[tiprow]

Hi @crazycs520. Thanks for your PR.

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[zyguan]

Maybe also translate resp.GetError() to the returned error?

[crazycs520]

great, addressed in #47811

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cfzjywxk, zyguan

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-10-20 03:08:13.918053724 +0000 UTC m=+1972091.505163862: ☑️ agreed by zyguan.
• 2023-10-20 03:57:29.718556266 +0000 UTC m=+1975047.305666410: ☑️ agreed by cfzjywxk.