app/assets/images/svg/icon_thredded_unread.svg
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
<circle cx="12" cy="12" r="2.5" fill="#949797"/>
<path d="M12 7C7.42857 7 4.7619 10.3333 4 12C4.7619 13.6667 7.42857 17 12 17C16.5714 17 19.2381 13.6667 20 12C19.2381 10.3333 16.5714 7 12 7Z" stroke="#949797" stroke-width="1.75" stroke-linecap="round"/>
</svg>