Only set fit status to RUNNING when it was not interrupted

Core/Fitting/FitStatus.cpp

@@ -43,7 +43,7 @@ bool FitStatus::isCompleted() const
 
 void FitStatus::update(const Fit::Parameters& params, double chi2)
 {
-    m_fit_status = RUNNING;
+    if (!isInterrupted()) m_fit_status = RUNNING;
 
     m_iterationInfo.update(params, chi2);
 

GUI/coregui/Views/PropertyEditor/CustomEditors.cpp

@@ -362,7 +362,8 @@ void IntEditor::onEditingFinished()
 
 void IntEditor::initEditor()
 {
-    Q_ASSERT(m_data.type() == QVariant::Int);
+    if (!m_data.isValid() || m_data.type() != QVariant::Int)
+        return;
     m_intEditor->setValue(m_data.toInt());
 }