feat: Map see_alsos as qualified_relations

Also fix field name for had_role.

ckanext/dcatapchharvest/profiles.py

@@ -230,7 +230,15 @@ def _qualified_relations(self, subject):
         for relation_node in self.g.objects(subject, DCAT.qualifiedRelation):
             qualified_relations.append({
                 "relation": self._object_value(relation_node, DCT.relation),
-                "role": self._object_value(relation_node, DCAT.hadRole),
+                "had_role": self._object_value(relation_node, DCAT.hadRole),
+            })
+
+        see_alsos = self._object_value_list(subject, RDFS.seeAlso)
+        for see_also in see_alsos:
+            permalink = dh.get_permalink(see_also)
+            qualified_relations.append({
+                "relation": permalink,
+                "had_role": "http://www.iana.org/assignments/relation/related"
             })
 
         return qualified_relations
@@ -509,10 +517,6 @@ def parse_dataset(self, dataset_dict, dataset_ref):  # noqa
         dataset_dict['temporals'] = self._temporals(dataset_ref)
 
         # References
-        see_alsos = self._object_value_list(dataset_ref, RDFS.seeAlso)
-        for see_also in see_alsos:
-            dataset_dict['see_alsos'].append({'dataset_identifier': see_also})
-
         dataset_dict["qualified_relations"] = self._qualified_relations(
             dataset_ref
         )