fix(ToolbarToggler): remove call overlay from the timeout check

Remove check for the call overlay being visible in postponing
the toolbar being hidden, as we don't want to have it displayed at all
when the overlay is there.

modules/UI/toolbars/ToolbarToggler.js

     toolbarTimeoutObject = null;
 
     if (Toolbar.isHovered()
-            || APP.UI.isRingOverlayVisible()
             || SideContainerToggler.isVisible()) {
         toolbarTimeoutObject = setTimeout(hideToolbar, toolbarTimeout);
     } else {