Optimization
Some calculations, like for the MouseWheelTarget for example, doesn't need to be updated
on each mouse move. However, when using the GuiInspector, we'd like to update its label for MWT
each time the user mouse-overs the new MWT
Some calculations, like for the MouseWheelTarget for example, doesn't need to be updated
on each mouse move. However, when using the GuiInspector, we'd like to update its label for MWT
each time the user mouse-overs the new MWT
