feat: display chunk type in chunk editor and dialog (#12086)

### What problem does this PR solve?

Display chunk type in chunk editor and dialog, may be one of below:
- Image
- Table
- Text

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/interfaces/database/knowledge.ts

@@ -116,12 +116,15 @@ export interface ITenantInfo {
   tts_id: string;
 }
 
+export type ChunkDocType = 'image' | 'table';
+
 export interface IChunk {
   available_int: number; // Whether to enable, 0: not enabled, 1: enabled
   chunk_id: string;
   content_with_weight: string;
   doc_id: string;
   doc_name: string;
+  doc_type_kwd?: ChunkDocType;
   image_id: string;
   important_kwd?: string[];
   question_kwd?: string[]; // keywords