feat: show ReplyTo in widget UI (#8094)

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/widget/components/ChatMessage.vue

@@ -1,11 +1,22 @@
 <template>
-  <UserMessage v-if="isUserMessage" :message="message" />
-  <AgentMessage v-else :message="message" />
+  <UserMessage
+    v-if="isUserMessage"
+    :id="`cwmsg-${message.id}`"
+    :message="message"
+    :reply-to="replyTo"
+  />
+  <AgentMessage
+    v-else
+    :id="`cwmsg-${message.id}`"
+    :message="message"
+    :reply-to="replyTo"
+  />
 </template>
 
 <script>
 import AgentMessage from 'widget/components/AgentMessage.vue';
 import UserMessage from 'widget/components/UserMessage.vue';
+import { mapGetters } from 'vuex';
 import { MESSAGE_TYPE } from 'widget/helpers/constants';
 
 export default {
@@ -20,9 +31,16 @@ export default {
     },
   },
   computed: {
+    ...mapGetters({
+      allMessages: 'conversation/getConversation',
+    }),
     isUserMessage() {
       return this.message.message_type === MESSAGE_TYPE.INCOMING;
     },
+    replyTo() {
+      const replyTo = this.message?.content_attributes?.in_reply_to;
+      return replyTo ? this.allMessages[replyTo] : null;
+    },
   },
 };
 </script>