Renames the Admin landing to "Dashboard" in both the page title and the sidebar
label, and adds a leading header icon (the grid icon, matching the Backup
dashboard) via the shared .page-header-icon-slot. System gets a cpu icon in its
header too. The slot styles come from the globally-loaded backup.css, so no new
CSS is needed.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
33a749c8d1