♻️ Optimize chat message display

assets/translations/en.json

@@ -165,5 +165,11 @@
   "messageDeleteDescription": "Are you sure you want to delete this message? This operation is irreversible. You will leave a record of the deleted message.",
   "messageDeleted": "Message {} has been deleted",
   "messageEdited": "Message {} has been edited",
-  "messageEditedHint": "Edited"
+  "messageEditedHint": "Edited",
+  "messageUnsupported": "Unsupported message {}",
+  "messageFileHint": {
+    "zero": "No attachments",
+    "one": "{} attachment",
+    "other": "{} attachments"
+  }
 }

assets/translations/zh.json

@@ -165,5 +165,11 @@
   "messageDeleteDescription": "你确定要删除这个消息吗？该操作不可撤销。同时您将留下一条删除消息的记录。",
   "messageDeleted": "消息 {} 已被删除",
   "messageEdited": "消息 {} 已被编辑",
-  "messageEditedHint": "已编辑"
+  "messageEditedHint": "已编辑",
+  "messageUnsupported": "不支持的消息 {}",
+  "messageFileHint": {
+    "zero": "没有附件",
+    "one": "{} 个附件",
+    "other": "{} 个附件"
+  }
 }