Revert "AI-664 : basically idea is to have FormInstance in range (of FormClass) but own by FormInstances with type of DataOwnerClass."

This reverts commit 0a0800e3dcc9c32e6690f2ea7ce6ba591f12dd35.
Revert "AI-664 : added subformtype"

This reverts commit f06e2d60cd1e5e90703d730fa4629fb164164077.
Revert "Revert "AI-664 : added subformtype""

This reverts commit 6a02aec5636c3bdce37e61e09273c58da31f75da.
Revert "Revert "AI-664 : basically idea is to have FormInstance in range (of FormClass) but own by FormInstances with type of DataOwnerClass.""

This reverts commit b61d608f93b0dd5f9006f3107fefe4797569a48e.