fix(bluetooth): call connect() after pair() for unpaired devices

Calling pair() works for keyboards since they do a PIN confirmation
afterward and connect later. For headphones we can connect right away.
Calling pair and connect works for both.

subscriptions/bluetooth/src/device.rs

@@ -241,7 +241,8 @@ pub async fn connect_device(connection: zbus::Connection, device_path: OwnedObje
             if proxy.device.connected().await? {
                 Ok(())
             } else if !proxy.device.paired().await.unwrap_or(false) {
-                proxy.device.pair().await
+                proxy.device.pair().await?;
+                proxy.device.connect().await
             } else {
                 proxy.device.connect().await
             }