fix opening of fit after qspace when it was renamed

xsocs/gui/XsocsGui.py

@@ -227,7 +227,7 @@ class XsocsGui(Qt.QMainWindow):
         fitGroup = item.fitGroup()
         fitItem = fitGroup.addFitFile(fitFile)
         self.model().refresh()
-        index = self.tree.pathToIndex(fitItem.path)
+        index = self.tree.pathToIndex(fitItem.customPath)
         if index.isValid():
             self.tree.setCurrentIndex(index)
             self.__showFit(index.data(ModelRoles.InternalDataRole))