Update src/app/dispute.rs

Ok rabbit!

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/app/dispute.rs

@@ -216,7 +216,7 @@ pub async fn dispute_action(
         Ok(pk) => pk,
         Err(e) => {
             tracing::error!("Error parsing counterpart pubkey: {:#?}", e);
-            return Ok(());
+            return Err(Error::msg("Failed to parse counterpart public key"));
         }
     };
     send_new_order_msg(