Change management is used to manage changes related to transformation
Inside a Change management, transformation change defines the
changes related to previous transformation
An alarm is launched one time per day to apply changes
When it's called, previous transformations are invalidated and new one is
created
User can jump from transformation change to related transformation and transformation to related transformation change

This allow to use transformation as predicate

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