godot/editor/icons/ExternalLink.svg

<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><path fill="#e0e0e0" d="m5 9 5.5-5.5L8 1h7v7l-2.5-2.5L7 11zm7 6H4a3 3 0 0 1-3-3V4a3 3 0 0 1 3-3h2a1 1 0 0 1 0 2H4a1 1 0 0 0-1 1v8a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1v-2a1 1 0 0 1 2 0v2a3 3 0 0 1-3 3z"/></svg>