[WebGPU] It is legal to submit zero work to a render bundle but this results in a metal error
<rdar://problem/117417815>
Pull request: https://github.com/WebKit/WebKit/pull/19488
Committed 269724@main (a36b56b334d7): <https://commits.webkit.org/269724@main> Reviewed commits have been landed. Closing PR #19488 and removing active labels.