feat: Add sticker support in Line channel (#8488)

app/javascript/dashboard/components/widgets/conversation/MessagePreview.vue

@@ -20,7 +20,15 @@
         icon="info"
       />
     </template>
-    <span v-if="message.content">
+    <span v-if="message.content && isMessageSticker">
+      <fluent-icon
+        size="16"
+        class="-mt-0.5 align-middle inline-block text-slate-600 dark:text-slate-300"
+        icon="image"
+      />
+      {{ $t('CHAT_LIST.ATTACHMENTS.image.CONTENT') }}
+    </span>
+    <span v-else-if="message.content">
       {{ parsedLastMessage }}
     </span>
     <span v-else-if="message.attachments">
@@ -88,6 +96,9 @@ export default {
     attachmentMessageContent() {
       return `CHAT_LIST.ATTACHMENTS.${this.lastMessageFileType}.CONTENT`;
     },
+    isMessageSticker() {
+      return this.message && this.message.content_type === 'sticker';
+    },
   },
 };
 </script>