lightning: fix check disk quota routine block when some engine is importing (#44877)

[ti-chi-bot]

This is an automated cherry-pick of #44877

What problem does this PR solve?

Issue Number: close #44867

Problem Summary:

What is changed and how it works?

• make pebble db a atomic reference to avoid lock when check disk quota

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.

fix check disk quota routine block when some engine is importing

[D3Hunter]

/retest

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, lance6716

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

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [D3Hunter,lance6716]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-06-29 08:49:32.028725425 +0000 UTC m=+870337.429975867: ☑️ agreed by D3Hunter.
• 2023-06-29 08:59:53.262130878 +0000 UTC m=+870958.663381326: ☑️ agreed by lance6716.