IDE: fix a bug in saving component palette settings.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46861 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: remove useless "write" accessors in properties of Environment options.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46862 4005530d-fff6-0310-9dd1-cebe43e6787f