mv signal -> ProjectDocument::sampleChanged

GUI/Model/Project/ProjectDocument.h

GUI/View/Sample/HeinzFormLayout.cpp

GUI/View/Sample/ISelectionForm.h

GUI/View/Sample/InterferenceForm.cpp

GUI/View/Sample/LayerEditorUtil.cpp

GUI/View/Sample/LayerForm.cpp

GUI/View/Sample/MaterialInplaceForm.cpp

GUI/View/Sample/SampleEditor.cpp

GUI/View/Sample/SampleEditor.h

GUI/View/Sample/SampleEditorController.cpp

GUI/View/Sample/SampleEditorController.h

GUI/View/View/SampleView.cpp