connector_importer: take full control of what are the required_keys

Not forcing required default value if required_keys_ignore_mapper and required_keys are defined in options.mapper.
Adding the new property required_keys_ignore_mapper in order to override the result of required_keys function

connector_importer/components/mapper.py

@@ -54,8 +54,16 @@ def required_keys(self, create=False):
  """
  req = dict(self.required)
  req.update(self.work.options.mapper.get("required_keys", {}))
+
+ if self.required_keys_ignore_mapper:
+ req = self.work.options.mapper.get("required_keys", {})
+
  return req
 
+ @property
+ def required_keys_ignore_mapper(self):
+ return self.work.options.mapper.get("required_keys_ignore_mapper", False)
+
  translatable = []
 
  def translatable_keys(self, create=False):