ls: Reduce xattr calls #11421

Performance Regression: -11.27%

❌ 5 regressed benchmarks
✅ 293 untouched benchmarks
⏩ 48 skipped benchmarks¹

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

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
❌	Memory	`ls_recursive_wide_tree[(10000, 1000)]`	6.6 MB	7.5 MB	-11.25%
❌	Memory	`ls_recursive_long_all_wide_tree[(15000, 1500)]`	9.9 MB	11.2 MB	-11.27%
❌	Simulation	`ls_recursive_balanced_tree[(6, 4, 15)]`	56.9 ms	59.1 ms	-3.69%
❌	Simulation	`ls_recursive_long_all_wide_tree[(15000, 1500)]`	136.1 ms	144.8 ms	-6.04%
❌	Simulation	`ls_recursive_wide_tree[(10000, 1000)]`	53.9 ms	58 ms	-7.15%

_{Comparing kimono-koans:excessive_xattr_calls (e46efb4) with main (d830e84)}

48 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. ↩