[qreui] simplify data import ()

Device/IO/IOFactory.cpp

Device/IO/IOFactory.h

GUI/Model/Descriptor/SelectionProperty.h

GUI/Model/Device/RealItem.cpp

GUI/Model/Device/RealItem.h

GUI/Model/Job/JobItem.cpp

GUI/Model/Model/RealTreeModel.cpp

GUI/Model/Project/ProjectDocument.cpp

GUI/Model/Project/ProjectUtil.cpp

GUI/Model/Project/ProjectUtil.h

GUI/Support/IO/AbstractDataLoader1D.h

GUI/Support/IO/DataLoaders1D.cpp

GUI/Support/IO/DataLoaders1D.h

GUI/Support/IO/IDataLoader.cpp

GUI/Support/IO/IDataLoader.h

GUI/Support/IO/IDataLoaderResultModel.cpp

GUI/Support/IO/IDataLoaderResultModel.h

GUI/Support/Util/ItemFileNameUtil.cpp

GUI/Support/Util/ItemFileNameUtil.h

GUI/View/Import/ImportDataUtil.cpp