[FIX] models: update write_date when writing on inherited fields

When changing the field `image` on `res.users`, the `write_date` of the user is
not updated because the field is inherited from `res.partner`.

Related to Issue : 1839603

odoo/addons/base/tests/test_orm.py

@@ -315,6 +315,17 @@ class TestInherits(TransactionCase):
         self.assertEqual(user_bar.name, 'Bar', "name is given from specific partner")
         self.assertEqual(user_bar.signature, user_foo.signature, "signature should be copied")
 
+    @mute_logger('odoo.models')
+    def test_write_date(self):
+        """ modifying inherited fields must update write_date """
+        user = self.env.user
+        write_date_before = user.write_date
+
+        # write base64 image
+        user.write({'image': 'R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=='})
+        write_date_after = user.write_date
+        self.assertNotEqual(write_date_before, write_date_after)
+
 
 CREATE = lambda values: (0, False, values)
 UPDATE = lambda id, values: (1, id, values)

odoo/models.py

@@ -3102,7 +3102,7 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
 
         with self.env.protecting(protected_fields, self):
             # write stored fields with (low-level) method _write
-            if store_vals:
+            if store_vals or inverse_vals or inherited_vals:
                 self._write(store_vals)
 
             # update parent records (after possibly updating parent fields)