Canvas currently only support top-level currentcolor, and fails if it is nested in color-mix or a relative color.
<rdar://problem/128027026>
Pull request: https://github.com/WebKit/WebKit/pull/28505
*** Bug 270509 has been marked as a duplicate of this bug. ***
Committed 279017@main (b6495ee90abb): <https://commits.webkit.org/279017@main> Reviewed commits have been landed. Closing PR #28505 and removing active labels.