fix unused variable (#4926)

backend/src/main.rs

@@ -601,6 +601,7 @@ Windmill Community Edition {GIT_VERSION}
                     server_killpill_rx,
                     base_internal_tx,
                     server_mode,
+                    #[cfg(feature = "smtp")]
                     base_internal_url.clone(),
                 )
                 .await?;

backend/tests/worker.rs

@@ -134,6 +134,7 @@ impl ApiServer {
             rx,
             port_tx,
             false,
+            #[cfg(feature = "smtp")]
             format!("http://localhost:{}", addr.port()),
         ));
 

backend/windmill-api/src/lib.rs

@@ -174,6 +174,7 @@ pub async fn run_server(
     mut rx: tokio::sync::broadcast::Receiver<()>,
     port_tx: tokio::sync::oneshot::Sender<String>,
     server_mode: bool,
+    #[cfg(feature = "smtp")]
     base_internal_url: String,
 ) -> anyhow::Result<()> {
     let user_db = UserDB::new(db.clone());