Fix:When parsing documents with graph, an error occurred:[ERROR][Exception]: 'method' (#6836)

[When parsing documents with graph, an error
occurred:[ERROR][Exception]: 'method']
(https://github.com/infiniflow/ragflow/issues/6835)
### What problem does this PR solve?

Close #6786

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
- [ ] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

Co-authored-by: cm <caiming@sict.ac.cn>

graphrag/general/index.py

 
     subgraph = await generate_subgraph(
         LightKGExt
-        if row["parser_config"]["graphrag"]["method"] != "general"
+        if row["kb_parser_config"]["graphrag"]["method"] != "general"
         else GeneralKGExt,
         tenant_id,
         kb_id,
         doc_id,
         chunks,
         language,
-        row["parser_config"]["graphrag"]["entity_types"],
+        row["kb_parser_config"]["graphrag"]["entity_types"],
         chat_model,
         embedding_model,
         callback,