lightning: fix "context cancel" overwrites the real error (#44734)

[ti-chi-bot]

This is an automated cherry-pick of #44734

What problem does this PR solve?

Issue Number: close #44733

Problem Summary:

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• 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

[GMHDBJD]

LGTM

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, GMHDBJD

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-06-27 13:09:10.075813996 +0000 UTC m=+713115.477064437: ☑️ agreed by GMHDBJD.
• 2023-06-27 13:24:01.377435558 +0000 UTC m=+714006.778686006: ☑️ agreed by D3Hunter.

[D3Hunter]

/merge

[ti-chi-bot]

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