Change to calculate with abs of current value

source/RobotAPI/gui-plugins/KinematicUnitPlugin/KinematicUnitGuiPlugin.cpp

@@ -1274,7 +1274,7 @@ void KinematicUnitWidgetController::highlightCriticalValues()
                 continue;
             }
 
-            const float currentValue = it->second;
+            const float currentValue = std::fabs(it->second);
 
             smoothedValue = 0.5f*currentValue + 0.5f*smoothedValue;