Refactor dialog package.

src/dialogs/SelectDialog.h

@@ -11,13 +11,13 @@ class SelectDialog :public  GUIFormBaseDialog{
     Q_OBJECT
 public:
     explicit SelectDialog(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
-    ~SelectDialog() override;
+    ~SelectDialog() override = default;
     void setValues(const QStringList& values);
     QString getSelectedValue();
     void setSelectedValue(const QString& val);
 protected:
     bool updateReferenceData() override;
-    SlidePickerBox* box = nullptr;
+    SlidePickerBox* mPickBox;
 };