fix: array stride validation errors

[redain]

Fix for #266.
Based on this new SPIR-V validation https://github.com/KhronosGroup/SPIRV-Tools/pull/6012/files
Can compile compute shader with work groups again.

[Firestar99]

I saw you wrote some "normal" tests for your linker step, those would potentially make more sense within compiletests. As the current docs are pretty bad, I wrote entirely new docs for compiletests in PR #275, which will hopefully help in debugging and fixing this issue. Let me know if you have any further questions after reading them or need other kinds of support fixing this issue. :D

[redain]

I am not sure when I will be able to finish this to make all tests pass. There are some corner cases that are still failing, I'm currently just using my branch to compile compute shaders with workgroups for my own use 😅. The most challenging part is that for mixed usage (when same array type is used for both layout-required and layout-prohibited cases) I had to split array type into 2 and then update a lot of type references in SPIR-V and this gets really tricky and error-prone. If anyone wants to take control or fix this themselves - feel free to.