fix: don't unwrap when message detection fails

An oversight. If the message detection reports an error or nothing was
detected, then simply ignore the message instead of unwrapping and
crashing the server.

Author: dnaka91

src/twitch/mod.rs

@@ -157,13 +157,15 @@ async fn handle_message(
     msg: ChannelChatMessageV1Payload,
     client: &Replier,
 ) -> Result<()> {
+    let Ok(Some(content)) = textparse::parse(&msg.message.text, Source::Twitch, None) else {
+        return Ok(());
+    };
+
     let response = async {
         let message = Message {
             span: Span::current(),
             source: Source::Twitch,
-            content: textparse::parse(&msg.message.text, Source::Twitch, None)
-                .unwrap()
-                .unwrap(),
+            content,
             author: AuthorId::Twitch(msg.message_id.as_str().to_owned()),
             mention: None,
         };