LCL: reduce calls of PopupMenu property getter. issue #23336


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@39973 4005530d-fff6-0310-9dd1-cebe43e6787f
LazReport, fix export filters registering multiple filter extensions are listed only once, issue 23759

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@39974 4005530d-fff6-0310-9dd1-cebe43e6787f