quit out of duped messages

src/webpage/channel.ts

@@ -2872,6 +2872,10 @@ class Channel extends SnowFlake {
 		if (!this.hasPermission("VIEW_CHANNEL")) {
 			return;
 		}
+		if(this.messages.get(messagep.d.id)){
+			console.error("Duped messaged?")
+			return;
+		}
 		this.nonces.add(messagep.d.nonce);
 		setTimeout(
 			() => {