ParameterEditorController: Add missing const in member functions

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

src/QmlControls/ParameterEditorController.cc

@@ -352,7 +352,7 @@ void ParameterEditorController::resetAllToVehicleConfiguration(void)
     refresh();
 }
 
-bool ParameterEditorController::_shouldShow(Fact* fact)
+bool ParameterEditorController::_shouldShow(Fact* fact) const
 {
     bool show = _showModifiedOnly ? (fact->defaultValueAvailable() ? (fact->valueEqualsDefault() ? false : true) : false) : true;
     return show;

src/QmlControls/ParameterEditorController.h

@@ -136,7 +136,7 @@ private slots:
     void _factAdded             (int compId, Fact* fact);
 
 private:
-    bool _shouldShow(Fact *fact);
+    bool _shouldShow(Fact *fact) const;
 
 private:
     ParameterManager*           _parameterMgr           = nullptr;