chore: Clippy unwrap linting

Signed-off-by: quexeky <git@quexeky.dev>

src-tauri/src/utils/download_manager_send.rs

@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! send {
+    ($download_manager:expr, $signal:expr) => {
+        $download_manager.send($signal).unwrap_or_else(|_| panic!("Failed to send signal {} to the download manager", stringify!(signal)))
+    };
+}