[WebGPU] copyTextureToTexture does not work with compressed formats
<rdar://problem/106887775>
Pull request: https://github.com/WebKit/WebKit/pull/11674
Committed 261880@main (f6ed3474524d): <https://commits.webkit.org/261880@main> Reviewed commits have been landed. Closing PR #11674 and removing active labels.