IDE: Use the right palette page name in ComponentList.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46830 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: prevent crash in component palette options when doing drag and drop.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46831 4005530d-fff6-0310-9dd1-cebe43e6787f