[backport cloud/1.35] feat: improve vue node video preview loading and a11y#7562

christian-byrne merged 1 commit intocloud/1.35Comfy-Org/ComfyUI_frontend:cloud/1.35from

backport-7558-to-cloud-1.35Comfy-Org/ComfyUI_frontend:backport-7558-to-cloud-1.35Copy head branch name to clipboard