GUI rm accessor variable

GUI/Model/FromCore/ItemizeSimulation.cpp

@@ -361,9 +361,8 @@ OffspecInstrumentItem* createOffspecInstrumentItem(const OffspecSimulation& simu
 {
     auto* result = new OffspecInstrumentItem();
 
-    ScanItem* scan_item = result->scanItem();
     const IBeamScan* scan = &simulation.scan();
-    scan_item->setScan(scan);
+    result->scanItem()->setScan(scan);
 
     const OffspecDetector& detector = simulation.detector();
     OffspecDetectorItem* detectorItem = result->detectorItem();
@@ -390,15 +389,14 @@ SpecularInstrumentItem* createSpecularInstrumentItem(const SpecularSimulation& s
 {
     auto* result = new SpecularInstrumentItem();
 
-    ScanItem* scan_item = result->scanItem();
     const IBeamScan* scan = simulation.scan();
-    scan_item->setScan(scan);
+    result->scanItem()->setScan(scan);
 
     if (const auto* s2 = dynamic_cast<const AlphaScan*>(scan)) {
         if (const IDistribution1D* distribution = s2->wavelengthDistribution())
-            addDistributionToItem(scan_item->wavelengthItem(), distribution);
+            addDistributionToItem(result->scanItem()->wavelengthItem(), distribution);
         if (const IDistribution1D* distribution = s2->angleDistribution())
-            addDistributionToItem(scan_item->grazingScanItem(), distribution);
+            addDistributionToItem(result->scanItem()->grazingScanItem(), distribution);
     }
     return result;
 }