ImageBuffer::sinkIntoImage is redundant, should use sinkIntoNativeImage instead
<rdar://problem/115889056>
Pull request: https://github.com/WebKit/WebKit/pull/18074
Committed 268445@main (46d4af9dec90): <https://commits.webkit.org/268445@main> Reviewed commits have been landed. Closing PR #18074 and removing active labels.