Converter: fix fPrevSelectedPath. Renaming vars.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41760 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL, Win32: Improve setting active control on selected tabsheet. Issue #22215, patch from 	LacaK2

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41761 4005530d-fff6-0310-9dd1-cebe43e6787f