### What problem does this PR solve?
fix infinity "INSERT: Column raptor_kwd not found in table" error
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
- Added new field 'toc_kwd' to infinity_mapping.json for table of
contents keyword support
- Changed page_num_int from integer to array type in task_executor.py to
handle multiple page numbers
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix knowledge_graph_kwd on infinity. Close#6476 and #6624
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Removed set_entity and set_relation to avoid accessing doc engine during
graph computation.
Introduced GraphChange to avoid writing unchanged chunks.
### Type of change
- [x] Performance Improvement
### What problem does this PR solve?
_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._
### Type of change
- [x] Performance Improvement
---------
Co-authored-by: wangwei <dwxiayi@163.com>
### What problem does this PR solve?
Rename page_num_list, top_list, position_list to page_num_int, top_int,
position_int
### Type of change
- [x] Refactoring
### What problem does this PR solve?
Integration with Infinity
- Replaced ELASTICSEARCH with dataStoreConn
- Renamed deleteByQuery with delete
- Renamed bulk to upsertBulk
- getHighlight, getAggregation
- Fix KGSearch.search
- Moved Dealer.sql_retrieval to es_conn.py
### Type of change
- [x] Refactoring
