codetools: gather identifiers: use tool beautifier

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40816 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: extract proc: use GetIndentStr of beautifier

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40817 4005530d-fff6-0310-9dd1-cebe43e6787f