repair 'RealModel' tag

GUI/Model/Model/DatafilesModel.cpp

@@ -98,6 +98,7 @@ void DatafilesModel::readFrom(QXmlStreamReader* r)
             XML::readAttribute(r, XML::Attrib::value, &m_selectedRank);
             XML::gotoEndElementOfTag(r, tag);
 
+
         } else
             r->skipCurrentElement();
     }

GUI/Model/Project/ProjectDocument.cpp

@@ -42,7 +42,7 @@ const QString SimulationOptions("SimulationOptions");
 const QString InstrumentModel("InstrumentModel");
 const QString SampleModel("SampleModel");
 const QString JobModel("JobModel");
-const QString DatafilesModel("DatafilesModel");
+const QString RealModel("RealModel");
 const QString ActiveView("ActiveView");
 
 } // namespace Tag
@@ -247,7 +247,7 @@ void ProjectDocument::writeProject(QIODevice* device)
     w.writeEndElement();
 
     // real model
-    w.writeStartElement(Tag::DatafilesModel);
+    w.writeStartElement(Tag::RealModel);
     m_realModel.writeTo(&w);
     w.writeEndElement();
 
@@ -309,7 +309,7 @@ ProjectDocument::ReadResult ProjectDocument::readProject(QIODevice* device,
                             XML::gotoEndElementOfTag(&r, tag);
 
                             // real model
-                        } else if (tag == Tag::DatafilesModel) {
+                        } else if (tag == Tag::RealModel) {
                             // 'm_instrumentModel' should be read before
                             m_realModel.readFrom(&r);
                             XML::gotoEndElementOfTag(&r, tag);