lcl: TFindDialog: layout avoid overlapping of flags

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46648 4005530d-fff6-0310-9dd1-cebe43e6787f
lcl: TFindDialog: layout avoid overlapping of flags

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46649 4005530d-fff6-0310-9dd1-cebe43e6787f
lcl: TFindDialog: autosize buttons

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@46650 4005530d-fff6-0310-9dd1-cebe43e6787f