[FIX] pos_restaurant: transfer empty order

Before this fix, if an empty order gets transfered to another table, the
screen gets stuck on the floorplan until the window is refreshed.
With this fix the new table is opened.

addons/pos_restaurant/static/src/js/floors.js

@@ -926,8 +926,14 @@ models.PosModel = models.PosModel.extend({
                             self.set_table(table);
                         }
                     });
-            } else if (ids_to_remove.length) {
-                self.remove_from_server_and_set_sync_state(ids_to_remove);
+            } else { 
+                if (ids_to_remove.length) {
+                    self.remove_from_server_and_set_sync_state(ids_to_remove);
+                }
+                if (self.order_to_transfer_to_different_table && table) {
+                    self.order_to_transfer_to_different_table = null;
+                    self.set_table(table);
+                }
             }
             this.set_order(null); // unset curent selected order
 

addons/pos_restaurant/static/src/js/tours/pos_restaurant.js

@@ -81,6 +81,22 @@ odoo.define('pos_reataurant.tour.synchronized_table_management', function (requi
         return steps;
     }
 
+    function transfer_order_to_table(table_id, order_uid) {
+        return [{
+            content: 'Click transfer button',
+            trigger: '.control-button:contains("Transfer")',
+            run: 'click',
+        }, {
+            content: 'Transfer order to table ' + table_id,
+            trigger: '.label:contains(' + table_id +')',
+            run: 'click',
+        }, {
+            content: 'Check if order ' + order_uid + ' is open after transfer',
+            trigger: '.order-button.selected .order-sequence:contains("' + order_uid + '")',
+            run: function(){} // Check
+        }];
+    }
+
     function finish_order() {
         var steps = [{
             content: "validate the order",
@@ -164,11 +180,18 @@ odoo.define('pos_reataurant.tour.synchronized_table_management', function (requi
     }];
     steps = steps.concat(open_table('T5', 1));
     steps = steps.concat(verify_order_total('4.40'));
+    
+    // Test transfering an order
+    steps = steps.concat(transfer_order_to_table('T4', '002-0001'));
 
     steps = steps.concat(goto_payment_screen_and_select_payment_method());
     steps = steps.concat(generate_payment_screen_keypad_steps('4.40'));
     steps = steps.concat(finish_order());
     steps = steps.concat(open_table('T2'));
+
+    // Test transfering an empty order
+    steps = steps.concat(transfer_order_to_table('T4', '2'));
+
     steps = steps.concat(add_product_to_order('Coca-Cola'));
     steps = steps.concat(verify_order_total('2.20'));
     steps = steps.concat([{