app/javascript/react/assets/icons/toggleIcon.svg
<svg width="32" height="32" viewBox="0 0 32 32" fill="none" xmlns="http://www.w3.org/2000/svg">
<rect x="32" width="32" height="32" transform="rotate(90 32 0)" fill="none"/>
<path d="M6 18L16 8L26 18" stroke="#0F172A" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"/>
</svg>