Deprecation: #85300 - DataHandler resorting method 

See forge#85300

Description 

The public DataHandler->resorting method has been marked as deprecated. It will be removed in v10.0.

Impact 

Installations using this method will trigger a PHP E_USER_DEPRECATED error.

Affected Installations 

All installations xclassing DataHandler, or having call the method mentioned.

Migration 

Use the newly introduced DataHandler->increaseSortingOfFollowingRecords method instead.