Naga emits wrong HLSL for atomicMax() on u64 buffer

[JMS55]

Description
Naga should be emitting buffer.InterlockedMax64, not buffer.InterlockedMax.

This only applies to RWByteAddressBuffer according to the spec.

This issue also applies to the other atomic functions.

Repro steps

@group(0) @binding(0) var<storage, read_write> buf: atomic<u64>;

atomicMax(&buf, 3147483647lu);

Platform
Naga rev 82210e1c

[JMS55]

Changing

wgpu/naga/src/back/hlsl/writer.rs

Line 1958 in 92c8cf4

write!(self.out, "{var_name}.Interlocked{fun_str}(")?;

To

let width = match func_ctx.resolve_type(value, &module.types) {
    TypeInner::Scalar(Scalar { width: 8, .. }) => "64",
    _ => "",
};
write!(self.out, "{var_name}.Interlocked{fun_str}{width}(")?;

I think fixes it. Probably needs a test, and consideration for how it will work for texture atomics.