LazyBuffers: use LazyBufferHandle

[gatesn]

Summary

Closes: #000

Testing

[gatesn]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
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• LazyBuffers: more reduce rules #7093
• LazyBuffers: use LazyBufferHandle #7092 👈 (View in Graphite)
• LazyBuffers: LazyBufferHandle #7091
• LazyBuffers: filter buffer handles #7071
• develop

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[codspeed-hq]

Merging this PR will degrade performance by 15.51%

❌ 2 regressed benchmarks
✅ 1007 untouched benchmarks
⏩ 1529 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	bitwise_not_vortex_buffer_mut[1024]	477.2 ns	535.6 ns	-10.89%
❌	Simulation	bitwise_not_vortex_buffer_mut[128]	317.8 ns	376.1 ns	-15.51%

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_{Comparing ngates/lazy-buffers/materialize (ca88f56) with ngates/lazy-buffers/lazy-buffer (9fd8a54)}

Footnotes

1. 1529 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. ↩