[vulkan] acceleration structure in a descriptor pool are not properly allocated

[Vecvec]

Description
When calculating the counts for a each descriptor type in a descriptor pool acceleration structures are not placed in the array.

wgpu/wgpu-hal/src/vulkan/device.rs

Lines 393 to 421 in 959c2db

	//Note: ignoring other types, since they can't appear here
	let unfiltered_counts = [
	(vk::DescriptorType::SAMPLER, descriptor_count.sampler),
	(
	vk::DescriptorType::SAMPLED_IMAGE,
	descriptor_count.sampled_image,
	),
	(
	vk::DescriptorType::STORAGE_IMAGE,
	descriptor_count.storage_image,
	),
	(
	vk::DescriptorType::UNIFORM_BUFFER,
	descriptor_count.uniform_buffer,
	),
	(
	vk::DescriptorType::UNIFORM_BUFFER_DYNAMIC,
	descriptor_count.uniform_buffer_dynamic,
	),
	(
	vk::DescriptorType::STORAGE_BUFFER,
	descriptor_count.storage_buffer,
	),
	(
	vk::DescriptorType::STORAGE_BUFFER_DYNAMIC,
	descriptor_count.storage_buffer_dynamic,
	),
	];

This can lead to Out Of Memory errors on some platforms.
This may also be causing the OOMs in bindgroup creation from #6727 (but not the seg-faults).

Repro steps
Run any ray-tracing example (e.g ray_cube_compute) on a gpu that cares about these (e.g an Intel Arc IGPU)

Expected vs observed behavior
We should allocate this correctly

Extra materials
Section of logs

[2025-01-05T09:28:39Z INFO  wgpu_examples::framework] Entering event loop...
[2025-01-05T09:28:39Z INFO  wgpu_examples::framework] Surface resume PhysicalSize { width: 800, height: 600 }
[2025-01-05T09:28:39Z INFO  wgpu_core::device::ray_tracing] Created blas Id(0,1) with CreateBlasDescriptor { label: None, flags: AccelerationStructureFlags(PREFER_FAST_TRACE), update_mode: Build }
[2025-01-05T09:28:39Z INFO  wgpu_core::device::ray_tracing] Created tlas Id(0,1) with CreateTlasDescriptor { label: None, max_instances: 64, flags: AccelerationStructureFlags(PREFER_FAST_TRACE), update_mode: Build }
[2025-01-05T09:28:39Z ERROR wgpu::backend::wgpu_core] Handling wgpu errors as fatal by default
thread 'main' panicked at wgpu\src\backend\wgpu_core.rs:1175:26:
wgpu error: Validation Error

Caused by:
  In Device::create_bind_group
    Not enough memory left.

Platform
Trunk, Intel arc IGPU.