ImageList: set FChanged to True in Clear (otherwise Change does nothing).


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41254 4005530d-fff6-0310-9dd1-cebe43e6787f
TDBCustomNavigator.Notification: handle FImages.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41255 4005530d-fff6-0310-9dd1-cebe43e6787f