set cookie for paypal problem

app/src/main/java/ch/pizzacucina/android/helper/SessionHelper.java

@@ -78,6 +78,14 @@ public class SessionHelper {
         SharedPrefsHelper.saveSelectedCoupon(couponModel);
     }
 
+    public static String getSessionId(){
+        return SharedPrefsHelper.getSessionId();
+    }
+
+    public static void saveSessionId(String sessionId){
+        SharedPrefsHelper.saveSessionId(sessionId);
+    }
+
     public static CheckCouponModel getSelectedCoupon(){
         return SharedPrefsHelper.getSelectedCoupon();
     }