Revert "AdminToggle Macro is blank when in admin mode"
apparently, $session->isAdminOn is meaningless in wG8.  this is a poor situation that it exists but is busted.  have to do this same thing another way.
This reverts commit 1e22418757038d987b54a4c9dbd453bc8ae73936.
New Content in Tree view needed to use showView() instead of gotoAsset().