fix(reference): fix resolving of JSON Schema identifier keyword (#4919)

The current JSON Schema identifier was already present 
in ancestor identifiers and there was no need to handle
it explicitly again.

Author: char0n

packages/apidom-reference/src/dereference/strategies/openapi-3-1/util.ts

@@ -40,7 +40,7 @@ export const resolveSchema$idField = (retrievalURI: string, schemaElement: Schem
       return url.resolve(acc, url.sanitize(url.stripHash($id)));
     },
     retrievalURI,
-    [...ancestorsSchemaIdentifiers, toValue(schemaElement.$id)],
+    ancestorsSchemaIdentifiers,
   );
 };