Wrong from_location domain to internal shipment moves

Since there is assignation on internal shipment the from_location could be any children of main location.
Here is a patch to fix the domain.

assigned to @ced

added stock type::behavior + 1 deleted label

New changeset fee63d5cce02 by C?dric Krier in branch 'default':
Internal shipment from_location domain should be child_of
http://hg.tryton.org/modules/stock/rev/fee63d5cce02

added 1 deleted label and removed 1 deleted label

closed

New changeset c3f0f8de8b73 by C?dric Krier in branch '3.2':
Internal shipment from_location domain should be child_of
http://hg.tryton.org/modules/stock/rev/c3f0f8de8b73

New changeset e516cb9d31b9 by C?dric Krier in branch '3.0':
Internal shipment from_location domain should be child_of
http://hg.tryton.org/modules/stock/rev/e516cb9d31b9

New changeset e88701b8e91c by C?dric Krier in branch '2.8':
Internal shipment from_location domain should be child_of
http://hg.tryton.org/modules/stock/rev/e88701b8e91c

New changeset 6eb1f2d539d9 by C?dric Krier in branch '2.6':
Internal shipment from_location domain should be child_of
http://hg.tryton.org/modules/stock/rev/6eb1f2d539d9

New changeset 044f9880633c by C?dric Krier in branch '2.4':
Internal shipment from_location domain should be child_of
http://hg.tryton.org/modules/stock/rev/044f9880633c