fix join issue

Author: nhannah

src/components/Message/Message.tsx

@@ -1057,6 +1057,13 @@ const MessageWithContext = <
                 targetedStyle,
               ]}
             />
+            {/**
+             * MessagesProvider is here to prevent and issue where FlatList
+             * and context re-rendering causes memoization to be skipped.
+             * We will separate messages to another context and keep the
+             * components currently in the same context apart to remove
+             * the need for this in a future PR.
+             */}
             <MessagesProvider value={messagesContext}>
               <MessageProvider value={messageContext}>
                 <MessageSimple />

src/components/Message/hooks/useCreateMessageContext.ts

@@ -66,7 +66,7 @@ export const useCreateMessageContext = <
   }${message.updated_at}${message.deleted_at}${readBy}${message.status}${
     message.type
   }${message.text}${message.reply_count}`;
-  const membersValue = Object.keys(members).join;
+  const membersValue = JSON.stringify(members);
 
   const messageContext: MessageContextValue<
     At,