[sortablejs] adds some missing event properties (#41160)
[sortablejs] adds some missing event properties (#41160)

* [sortablejs] creates clear description for fake class

* [sortablejs] add some swap and multidrag event options

dsebastien/DefinitelyTyped,markogresak/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped