title: Mouse Leave event in Firemonkey 10.3
body: <p>I have a form with a control (myControl) and a child control (myChildControl).</p>
  
  <p>I want to manage the mouse exit on myControl so that I can take some actions.</p>
  
  <p>The problem is that the On Mouse Leave event is fired even though the mouse is still physically inside myControls but getting over myChildControl, while in this case I wouldn't need the event to be fired.</p>
  
  <p>I cannot set the HitTest property in the child control as I need to take some actions on mouse events on it too.</p>
  
  <p>Conceptually the Mouse Leave event fires properly, but what's the cleanest way to manage this case?</p>