codetools: added test for nested arrays

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42867 4005530d-fff6-0310-9dd1-cebe43e6787f
codetools: fixed checking if resolving edged bracket open is allowed, bug 25045

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42868 4005530d-fff6-0310-9dd1-cebe43e6787f