erp5_hal_json_style: Make sure that field error messages are translated

in case the message is defined in the field ('manage_messagesForm' tab)
7 jobs for for_testrunner_3 in 0 seconds
Status Job ID Name Coverage
  External
failed ERP5.UnitTest-TestRunner3

01:18:09

failed ERP5.UnitTest-TestRunner3

01:02:35

canceled ERP5.UnitTest-TestRunner3

failed ERP5.UnitTest-TestRunner3

01:07:38

canceled ERP5.UnitTest-TestRunner3

failed ERP5.UnitTest-TestRunner3

01:31:15

canceled ERP5.UnitTest-TestRunner3