Resolved some remaining chicken and egg when parsing BNF nodes

src/core/sheerka/services/SheerkaSetsManager.py

@@ -4,6 +4,7 @@ from cache.SetCache import SetCache
 from core.ast.nodes import python_to_concept
 from core.builtin_concepts import BuiltinConcepts
 from core.concept import Concept, ConceptParts, ensure_concept, DEFINITION_TYPE_BNF
+from core.sheerka.services.SheerkaModifyConcept import SheerkaModifyConcept
 from core.sheerka.services.sheerka_service import BaseService
 
 GROUP_PREFIX = 'All_'
@@ -54,7 +55,13 @@ class SheerkaSetsManager(BaseService):
         if not res.status:
             return res
 
-        return self.add_concept_to_set(context, concept, concept_set)
+        res = self.add_concept_to_set(context, concept, concept_set)
+
+        # update concept_set references
+        self.sheerka.services[SheerkaModifyConcept.NAME].update_references(context, concept_set)
+        self.concepts_in_set.delete(concept_set.id)
+
+        return res
 
     def add_concept_to_set(self, context, concept, concept_set):
         """