Changing submit policy of QDataWidgetMapper to AutoSubmit because if multiple changes are made at once not all of them are applied.

dialogs/abstractdialog.h

@@ -2,15 +2,15 @@
 #define ABSTRACTDIALOG_H
 
 #include <QDialog>
+#include <QDialogButtonBox>
 
 class QGridLayout;
-class QDialogButtonBox;
 class QVBoxLayout;
 
 class AbstractDialog : public QDialog {
   Q_OBJECT
  public:
-  AbstractDialog(QWidget* parent = nullptr);
+  AbstractDialog(QDialogButtonBox::StandardButtons buttons, QWidget* parent = nullptr);
   virtual void createContent() = 0;
 
   /// QDialog interface