LCL: clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47045 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL: TRadioGroup: when emitting OnClick set FLastClickedItemIndex to not trigger it again

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47046 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL: TRadioGroup: after reading lfm set FLastClickedItemIndex to not emit OnClick/OnChange when pending calls from widgetset comes in, bug 27113

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47047 4005530d-fff6-0310-9dd1-cebe43e6787f