Add QR code images for transaction assistant, login, and plans

- Added `qrcode-tx-assistant.png` for transaction assistant functionality.
- Added `qrcode-tx-login.png` for user login process.
- Added `qrcode-tx-plans.png` for displaying available plans.

server/src/Models/Appointments/Appointments.ts

@@ -534,7 +534,7 @@ class AppointmentManager implements IAppointmentsManager {
 
             await this.updateHeatMap(availabilityConfig);
 
-            await this.tryApplyDiscounts(newAppointment);
+            await this.tryApplyDiscounts(newAppointment, String(companyCheck.ownerId));
 
             if (notification && checkClient.userId) {
                 //Envio la notificacion al cliente.
@@ -592,7 +592,7 @@ class AppointmentManager implements IAppointmentsManager {
         }
     }
 
-    private async tryApplyDiscounts(appointment: IAppointment) {
+    private async tryApplyDiscounts(appointment: IAppointment, sessionUser: string) {
         //Intenta aplicar un descuento al turno si esta especificado en DiscountsEmail
         // y la fecha coincide con el rango especificado.
 
@@ -632,7 +632,7 @@ class AppointmentManager implements IAppointmentsManager {
                 appointmentId: String(appointment.id),
                 discountId: String(existDiscount.discountId),
                 companyId: String(appointment.companyId),
-                sessionUser: String(appointment.userId),
+                sessionUser: sessionUser,
             });
         } catch (err) {
             console.log(err);