show avatar dialog instead of default (#4033)

show avatar dialog instead of default

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

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

web/src/interfaces/database/chat.ts

@@ -57,6 +57,7 @@ export interface IConversation {
   create_time: number;
   dialog_id: string;
   id: string;
+  avatar: string;
   message: Message[];
   reference: IReference[];
   name: string;

web/src/interfaces/database/flow.ts

@@ -29,8 +29,8 @@ export interface IGraph {
   edges: Edge[];
 }
 
-export interface IFlow {
-  avatar: null;
+export declare interface IFlow {
+  avatar?: null | string;
   canvas_type: null;
   create_date: string;
   create_time: number;