add message read/unread render & fix profile display

webroot/blah/en-us.json

@@ -145,6 +145,8 @@
   "error:message.react.failed": "Failed to add reaction",
   "info.sending.message": "Sending...",
   "larp.redacted": "This message was deleted.",
+  "message.already.deleted": "This message has already been deleted.",
+  "rate.limit": "You are sending requests too quickly. Please try again later.",
   "placeholder.invitation.code": "invitation code",
   "info.messages.loading.older": "Loading older messages...",
   "error:message.not.found": "Message not found",