LPS-48169 Main.css does not exist in Kaleo Forms, Kaleo Forms Admin unusable

This reverts commit 5c4b470c1b4407e41670419c47861d82dee3372f.
LPS-48169 Fix tests?
LPS-48592 DefaultControlPanelEntryFactory Registry'fy
LPS-48592 SF
LPS-48592 the default one is the one without a 'javax.portlet.name' property defined (note: portlets are tracking their own instance)
LPS-48592 SF
LPS-48592 SF
LPS-48592 Sort