lazbuild: use interfaces early

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45295 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: designer: fixed getting icon on datamodule

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45296 4005530d-fff6-0310-9dd1-cebe43e6787f