* added editor flag to Sokoban field/object elements to automatically
finish solved Sokoban style levels (even if they contain non-Sokoban
elements, which prevents auto-enabling this feature for such levels)
* added editor flag to Sokoban field/object elements to automatically
finish solved Sokoban style levels (even if they contain non-Sokoban
elements, which prevents auto-enabling this feature for such levels)