IDE: mode matrix: new target

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40944 4005530d-fff6-0310-9dd1-cebe43e6787f
Debugger: Fix crash when viewing extended watch view, while dbg=history is active and selecting a previously not evaluated stack frame.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40945 4005530d-fff6-0310-9dd1-cebe43e6787f