feat(Message): add and handle isEdited property when edited/continued as this can include user input

client/src/components/Messages/Content/EditMessage.tsx

@@ -69,6 +69,7 @@ const EditMessage = ({
           ? {
             ...msg,
             text,
+            isEdited: true,
           }
           : msg,
       ),

client/src/hooks/useMessageHandler.ts

@@ -101,6 +101,7 @@ const useMessageHandler = () => {
       unfinished: false,
       submitting: true,
       isCreatedByUser: false,
+      isEdited: isEditOrContinue,
       error: false,
     };