Add NSError to trace log

Author: tternes

src/corebluetooth/central_delegate.rs

@@ -348,8 +348,9 @@ declare_class!(
             _error: Option<&NSError>,
         ) {
             trace!(
-                "delegate_centralmanager_diddisconnectperipheral_error {}",
-                peripheral_debug(peripheral)
+                "delegate_centralmanager_diddisconnectperipheral_error {} (error={:?})",
+                peripheral_debug(peripheral),
+                _error
             );
             let peripheral_uuid = nsuuid_to_uuid(unsafe { &peripheral.identifier() });
             self.send_event(CentralDelegateEvent::DisconnectedDevice { peripheral_uuid });