fix: userInfo lint error (#75)

Author: loc-nguyenthien

src/chat/components/ConversationItem.tsx

@@ -22,7 +22,7 @@ export interface IConversationItemProps {
   unReadStyle?: StyleProp<TextStyle>;
   CustomImage?: typeof Image;
   renderMessage?: () => React.ReactNode;
-  userInfo: IUserInfo | null;
+  userInfo?: IUserInfo;
 }
 
 export const ConversationItem: React.FC<IConversationItemProps> = ({

src/services/firebase/firestore.ts

@@ -64,7 +64,7 @@ export class FirestoreServices {
   private static instance: FirestoreServices;
 
   /** User configuration */
-  userInfo: IUserInfo | undefined;
+  userInfo?: IUserInfo;
   enableEncrypt: boolean = false;
   encryptKey: string = '';
   regexBlacklist: RegExp | undefined;