feat: impl destroy for sodc

[MrCroxx]

What's changed and what's your intention?

Please explain IN DETAIL what the changes are in this PR and why they are needed. :D

Changes:

• Use set 0 as meta set.
• Use watermark in metaset for destroy.
• sodc must start from region 0

Checklist

• I have written the necessary rustdoc comments
• I have added the necessary unit tests and integration tests
• I have passed make all (or make fast instead if the old tests are not modified) in my local environment.

Related issues or PRs (optional)

#596

[codecov]

Codecov Report

Attention: Patch coverage is 96.22642% with 6 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
foyer-storage/src/small/generic.rs	93.75%	4 Missing ⚠️
foyer-storage/src/small/set_manager.rs	97.05%	2 Missing ⚠️

Files with missing lines	Coverage Δ
foyer-storage/src/small/batch.rs	81.33% <100.00%> (+6.66%)	⬆️
foyer-storage/src/small/set.rs	93.61% <100.00%> (+0.12%)	⬆️
foyer-storage/src/small/set_manager.rs	88.32% <97.05%> (+4.11%)	⬆️
foyer-storage/src/small/generic.rs	74.87% <93.75%> (+14.57%)	⬆️

... and 2 files with indirect coverage changes