Feat: Convert the arguments parameter of the code operator to a dictionary #3221 (#8623)

### What problem does this PR solve?

Feat: Convert the arguments parameter of the code operator to a
dictionary #3221

### Type of change


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

web/src/interfaces/database/chat.ts

@@ -98,7 +98,7 @@ export interface IReference {
 
 export interface IAnswer {
   answer: string;
-  reference: IReference;
+  reference?: IReference;
   conversationId?: string;
   prompt?: string;
   id?: string;