0036959: Handle remove payment cancellation also in pay open tickets (relevant also for external payment providers)

diff --git a/web/org.openbravo.retail.posterminal/js/model/order.js b/web/org.openbravo.retail.posterminal/js/model/order.js
--- a/web/org.openbravo.retail.posterminal/js/model/order.js
+++ b/web/org.openbravo.retail.posterminal/js/model/order.js
@@ -5795,15 +5795,23 @@
         return;
       });
     },
-    removePayment: function (payment) {
+    removePayment: function (payment, cancellationCallback, removeCallback) {
       var me = this,
           payments = this.get('payments');
+      var finalCallback = function () {
+          if (removeCallback) {
+            removeCallback();
+          }
+          };
       OB.UTIL.HookManager.executeHooks('OBPOS_preRemovePaymentMultiOrder', {
         paymentToRem: payment,
         payments: payments,
         multiOrdersList: this.get('multiOrdersList')
       }, function (args) {
         if (args.cancellation) {
+          if (cancellationCallback) {
+            cancellationCallback();
+          }
           return;
         }
         args.payments.remove(args.paymentToRem);
@@ -5811,6 +5819,9 @@
           me.set('openDrawer', false);
         }
         me.adjustPayment();
+        if (finalCallback) {
+          finalCallback();
+        }
       });
     },
     printGross: function () {