Accelerated transform animations were not active for SVG renderers in LBSE. RenderLayerBacking::startAnimation() only used accelerated mode for RenderBoxModelObject derived renderers -- extend that to all SVG layer aware renderers.
Pull request: https://github.com/WebKit/WebKit/pull/15001
<rdar://problem/111152352>
Committed 268111@main (bde602f47049): <https://commits.webkit.org/268111@main> Reviewed commits have been landed. Closing PR #15001 and removing active labels.