[WebGPU] WGPU_COPY_STRIDE_UNDEFINED is not handled in WGPUVertexBufferLayout
<rdar://problem/117285397>
Pull request: https://github.com/WebKit/WebKit/pull/19415
Committed 269665@main (53375e8efea7): <https://commits.webkit.org/269665@main> Reviewed commits have been landed. Closing PR #19415 and removing active labels.