Integration with Infinity (#2894)

### 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

docs/guides/develop/launch_ragflow_from_source.md

@@ -67,7 +67,7 @@ docker compose -f docker/docker-compose-base.yml up -d
 1. Add the following line to `/etc/hosts` to resolve all hosts specified in **docker/service_conf.yaml** to `127.0.0.1`:
 
    ```
-   127.0.0.1       es01 mysql minio redis
+   127.0.0.1       es01 infinity mysql minio redis
    ```
 
 2. In **docker/service_conf.yaml**, update mysql port to `5455` and es port to `1200`, as specified in **docker/.env**.

docs/references/http_api_reference.md

@@ -1280,7 +1280,7 @@ Success:
                 "document_keyword": "1.txt",
                 "highlight": "<em>ragflow</em> content",
                 "id": "d78435d142bd5cf6704da62c778795c5",
-                "img_id": "",
+                "image_id": "",
                 "important_keywords": [
                     ""
                 ],

docs/references/python_api_reference.md

@@ -1351,7 +1351,7 @@ A list of `Chunk` objects representing references to the message, each containin
   The chunk ID.
 - `content` `str`  
   The content of the chunk.
-- `image_id` `str`  
+- `img_id` `str`  
   The ID of the snapshot of the chunk. Applicable only when the source of the chunk is an image, PPT, PPTX, or PDF file.
 - `document_id` `str`  
   The ID of the referenced document.