Qt: better patch for imageList changes in TQtListWidget. issue #26770


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46313 4005530d-fff6-0310-9dd1-cebe43e6787f
New icon for adding files for projects and packages.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46314 4005530d-fff6-0310-9dd1-cebe43e6787f