This allow to use transformation as predicate

When a first migration was reverted for any reason (e.g. ConflictError),
the assertion failed because __setstate__ was not called yet to fix the
class back to the old one.

user should use solve divergence for split and defer

related to current sm

erp5_accounting: make section editable in listbox and has same possible value as Transaction's section

We might get variation from a transformation on a delivery line, which is not good

In the case of manufacturing, we would like to define a "use" category on delivery, and we would
to get it on lines to allow searching predicates