DataPropertyWidget: change units in real data

GUI/View/PlotUtil/DataPropertyWidget.cpp

@@ -13,6 +13,8 @@
 //  ************************************************************************************************
 
 #include "GUI/View/PlotUtil/DataPropertyWidget.h"
+#include "GUI/Model/Data/SessionData.h"
+#include "GUI/Model/Project/ProjectDocument.h"
 #include "GUI/Model/Data/DataItem.h"
 #include <QFormLayout>
 
@@ -39,21 +41,24 @@ void DataPropertyWidget::updateItemCoords(DataItem* item)
     // TODO : https://jugit.fz-juelich.de/mlz/bornagain/-/issues/320
     // Also change units for real item with linked instrument
 
-    if (!item || !jobItem())
+    if (!item)
         return;
 
-//    InstrumentItem* instrument;
-//    if(jobItem())
-//        instrument = jobItem()->instrumentItem();
-//    else if(realItem())
-//        instrument = gSessionData->instrumentLibrary.collectedItems()
-//                ->findInstrumentById(realItem()->instrumentId());
-//    if(instrument) {
+    InstrumentItem* instrument = nullptr;
+    if(jobItem())
+        instrument = jobItem()->instrumentItem();
+    else if(realItem()) {
+        instrument = gSessionData->projectDocument.value()->collectedItems()
+                ->findInstrumentById(realItem()->instrumentId());
+    } else
+        ASSERT(0)
+
+    if(instrument) {
         item->blockSignals(true);
-        item->updateCoords(jobItem()->instrumentItem());
+        item->updateCoords(instrument);
         item->blockSignals(false);
         emit item->axesUnitsReplotRequested();
-//    }
+    }
 }
 
 void DataPropertyWidget::updateUIValues()