no z-magnetization in GUI material editor

GUI/View/MaterialEditor/MaterialEditorDialog.cpp

@@ -53,6 +53,10 @@ MaterialEditorDialog::MaterialEditorDialog(SampleItem* sample, QWidget* parent)
     configSpinbox(m_ui->ySpinBox, 3, RealLimits::limitless());
     configSpinbox(m_ui->zSpinBox, 3, RealLimits::limitless());
 
+    // Setting z-component is temporary disabled (see issue #653)
+    // When implemented, rm disabling
+    m_ui->zSpinBox->setDisabled(true);
+
     auto* addRefractiveMaterialAction = new QAction("Add material (refractive index)", parent);
     addRefractiveMaterialAction->setIcon(QIcon(":/images/shape-square-plus.svg"));
     addRefractiveMaterialAction->setToolTip("Add new material");