change very early version of module attachments in GarfieldMagnet and
MagnetigField to use Attached
Change-Id: I616ad17bc72cd93d86e1b3e3609543cfe90edcd8
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/32250
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>