Mapper in ModelTuningDelegate makes fitting crash and thus he is removed...

Mapper in ModelTuningDelegate makes fitting crash and thus he is removed (seems to be not necessary at all).

GUI/coregui/Views/JobWidgets/ModelTuningDelegate.cpp

@@ -183,10 +183,16 @@ QWidget *ModelTuningDelegate::createEditor(QWidget *parent,
         m_contentLayout->addWidget(m_valueBox);
         m_contentLayout->addWidget(m_slider);
 
-        m_currentItem->mapper()->setOnValueChange(
-                      [this](){
-              m_valueBox->setValue(m_currentItem->value().toDouble());
-        }, this);
+        // FIXME CHECK
+        // This mapping seems to be necessary only in the case when ModelTuningDelegate is active,
+        // when item changes its value from outside. It never happens it seems, so mapper
+        // is not necessary.
+        // If one ourcomment code below, the time life of ModelTuningDelegate will make application
+        // crash. Check this again and remove commented.
+//        m_currentItem->mapper()->setOnValueChange(
+//                      [this](){
+//              m_valueBox->setValue(m_currentItem->value().toDouble());
+//        }, this);
 
         m_contentWidget->setLayout(m_contentLayout);