fix: Show pending trade dialog immediately when submitting an order

Otherwise, a short delay could happen after submitting the order before the dialog is shown. This was more obvious on the test vm the other day, when the submit order request timed out.

mobile/native/src/trade/order/handler.rs

@@ -70,6 +70,10 @@ pub async fn submit_order(
     order: Order,
     channel_opening_params: Option<ChannelOpeningParams>,
 ) -> Result<Uuid, SubmitOrderError> {
+    event::publish(&EventInternal::BackgroundNotification(
+        BackgroundTask::AsyncTrade(TaskStatus::Pending),
+    ));
+
     submit_order_internal(order, channel_opening_params)
         .await
         .inspect_err(report_error_to_coordinator)
@@ -129,10 +133,6 @@ pub async fn submit_order_internal(
     set_order_to_open_and_update_ui(order.id).map_err(SubmitOrderError::Storage)?;
     update_position_after_order_submitted(&order).map_err(SubmitOrderError::Storage)?;
 
-    event::publish(&EventInternal::BackgroundNotification(
-        BackgroundTask::AsyncTrade(TaskStatus::Pending),
-    ));
-
     Ok(order.id)
 }