refactor: simplify Buffer creation from Vec

[SYaoJun]

Summary

Replace vec.iter().cloned().collect::<Buffer<_>>() with Buffer::from(vec)
for better performance and readability.

Testing

N/A

[codspeed-hq]

Merging this PR will not alter performance

✅ 986 untouched benchmarks
⏩ 1426 skipped benchmarks¹

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_{Comparing SYaoJun:220_buffer (ec94734) with develop (860a68e)}

Footnotes

1. 1426 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩