codetools: clean duplicate code

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44806 4005530d-fff6-0310-9dd1-cebe43e6787f
EditButton: make TabStop also set TabStop of FEdit and make it True by default.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44807 4005530d-fff6-0310-9dd1-cebe43e6787f