ATSEN Optimetria desktop navigation assets

Source: https://github.com/lucide-icons/lucide/tree/0.468.0/icons
Upstream version: 0.468.0. License: LUCIDE-LICENSE.txt (ISC / Feather MIT notice).
The original SVG files are retained. PNGs use a neutral #334155 stroke.

To refresh the checked-in assets, run tools/fetch_dashboard_icons.ps1 and
tools/render_dashboard_icons.cjs with Node.js and sharp available.

Keep this directory, including the license, in both install and update packages.
