codetools: fixed searching selfunit.interfaceidentifier

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42379 4005530d-fff6-0310-9dd1-cebe43e6787f
synedit: updated po files

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42380 4005530d-fff6-0310-9dd1-cebe43e6787f