sapphire-frontend/icons/menu.svg

<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" style="display: none;">
    <symbol id="menu" viewBox="0 0 8 8" preserveAspectRatio="xMidYMid meet">
        <path fill="var(--text-color)" d="M4,0 l1,1 l-3,3 l3,3 l-1,1 l-4,-4" />
    </symbol>
    <symbol id="menu-unread" viewBox="0 0 8 8" preserveAspectRatio="xMidYMid meet">
        <path fill="var(--text-color)" d="M4,0 l1,1 l-3,3 l2,2 l-1,1 l-3,-3" />
        <circle fill="var(--bg-color)" cx="4.75" cy="6.5" r="1.75"/>
        <circle fill="var(--select-bg-color)" cx="4.75" cy="6.5" r="1.5"/>
    </symbol>
</svg>