Fix ALP mask patches dtype

[gatesn]

Fixes #7292

[codspeed-hq]

Merging this PR will degrade performance by 29.42%

❌ 3 regressed benchmarks
✅ 1119 untouched benchmarks
⏩ 1530 skipped benchmarks¹

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

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	Simulation	take_map[(0.1, 1.0)]	1.6 ms	2.3 ms	-29.42%
❌	Simulation	take_map[(0.1, 0.05)]	381.4 µs	424.2 µs	-10.08%
❌	Simulation	take_map[(0.1, 0.5)]	978.8 µs	1,209.5 µs	-19.08%

---

_{Comparing ngates/fix-alp-patches (6087f7f) with develop (b2a5a70)}

Footnotes

1. 1530 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. ↩