no modification on change in View menu

GUI/Model/Project/ProjectDocument.cpp

@@ -243,7 +243,6 @@ void ProjectDocument::setSingleInstrumentMode(bool b)
     if (b != m_singleInstrumentMode) {
         m_singleInstrumentMode = b;
         emit singleInstrumentModeChanged();
-        setModified();
     }
 }
 
@@ -257,7 +256,6 @@ void ProjectDocument::setSingleSampleMode(bool b)
     if (b != m_singleSampleMode) {
         m_singleSampleMode = b;
         emit singleSampleModeChanged();
-        setModified();
     }
 }
 
@@ -271,7 +269,6 @@ void ProjectDocument::setFunctionalities(const Functionalities& f)
     if (m_functionalities != f) {
         m_functionalities = f;
         emit functionalitiesChanged();
-        setModified();
     }
 }
 

GUI/View/Instrument/InstrumentListView.cpp

@@ -115,8 +115,7 @@ InstrumentListView::InstrumentListView(ProjectDocument* document, QWidget* paren
 
     setContextMenuPolicy(Qt::ActionsContextMenu);
 
-
-    connect(m_document, &ProjectDocument::modifiedStateChanged, this,
+    connect(m_document, &ProjectDocument::functionalitiesChanged, this,
             &InstrumentListView::updateFunctionalityNarrowing);
 
     updateFunctionalityNarrowing();

GUI/View/Instrument/InstrumentView.cpp

@@ -248,7 +248,6 @@ void InstrumentView::onSingleInstrumentModeChanged(bool newState)
             QMessageBox::warning(this, "Select single instrument mode",
                                  "This project already contains more than one instrument. Changing "
                                  "this setting is not possible.");
-
             return;
         }