We actually have commands for submenus too, so
we can use them to generate IDs.
Adjust the icon names, which are now generated from
commands.
Change-Id: I76bb69fb8f83cddfb3d36c3ee74739091bc08f2d
Reviewed-on: https://gerrit.libreoffice.org/c/online/+/90763
Tested-by: Tamás Zolnai <tamas.zolnai@collabora.com>
Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>
