IDE: close key closes windows

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41806 4005530d-fff6-0310-9dd1-cebe43e6787f
anchordocking: place windows by default under darwin not at 0,0

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41807 4005530d-fff6-0310-9dd1-cebe43e6787f