refactor(cpn): sort custom functions list (#4585)

companion/src/datamodels/compounditemmodels.cpp

@@ -441,6 +441,8 @@ CustomFuncActionItemModel::CustomFuncActionItemModel(const GeneralSettings * con
     setDynamicItemData(modelItem, i);
     appendRow(modelItem);
   }
+
+  sort(0);
 }
 
 void CustomFuncActionItemModel::setDynamicItemData(QStandardItem * item, const int value) const
@@ -457,6 +459,8 @@ void CustomFuncActionItemModel::update(const int event)
     for (int i = 0; i < rowCount(); ++i)
       setDynamicItemData(item(i), item(i)->data(IMDR_Id).toInt());
 
+    sort(0);
+
     emit updateComplete();
   }
 }