Add support for phonenumber preferred

kaddressbookgrantlee/src/printing/contactgrantleeprintphoneobject.cpp

@@ -37,3 +37,8 @@ QString ContactGrantleePrintPhoneObject::number() const
 {
     return mPhoneNumber.number();
 }
+
+bool ContactGrantleePrintPhoneObject::preferred() const
+{
+    return (mPhoneNumber.type() & KContacts::PhoneNumber::Pref);
+}

kaddressbookgrantlee/src/printing/contactgrantleeprintphoneobject.h

@@ -26,6 +26,7 @@ class ContactGrantleePrintPhoneObject : public QObject
     Q_OBJECT
     Q_PROPERTY(QString type READ type)
     Q_PROPERTY(QString number READ number)
+    Q_PROPERTY(bool preferred READ preferred)
 
 public:
     explicit ContactGrantleePrintPhoneObject(const KContacts::PhoneNumber &phone, QObject *parent = Q_NULLPTR);
@@ -33,6 +34,7 @@ public:
 
     QString type() const;
     QString number() const;
+    bool preferred() const;
 private:
     KContacts::PhoneNumber mPhoneNumber;
 };