Before this commit:
If you select more than one trigger field on base.automation:
File "/home/odoo/src/odoo/17.0/addons/base_automation/models/base_automation.py", line 302, in _compute_trg_field_ref__model_and_display_names
relation = automation.trigger_field_ids.relation
File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 1146, in __get__
record.ensure_one()
File "/home/odoo/src/odoo/17.0/odoo/models.py", line 5819, in ensure_one
raise ValueError("Expected singleton: %s" % self)
ValueError: Expected singleton: ir.model.fields(<NewId origin=3241>, <NewId origin=3238>)
After this commit:
trg_field_ref_model_name and trg_field_ref_display_name are only used for the
base_automation_trigger_reference widget, which is only used when trigger in
['on_stage_set', 'on_tag_set']. We only need to compute them in this case,
and there will be no errors since they use only one trigger field.
opw-3607314
closesodoo/odoo#144810
Signed-off-by: Florent Dardenne (dafl) <dafl@odoo.com>