Document that names of DictSchemaMixin must be unique
It is not obvious to the developer that he must ensure the uniqueness of the keys name.
Ref: https://discuss.tryton.org/t/retrieve-dictschemamixin-from-dict-entry/7939
This instance will be upgraded to Heptapod 17.8.1 on 2025-03-13 between 17:00 and 18:00 UTC+2
It is not obvious to the developer that he must ensure the uniqueness of the keys name.
Ref: https://discuss.tryton.org/t/retrieve-dictschemamixin-from-dict-entry/7939
added trytond type::documentation labels