Reordering records fires inconsistent events

[pmiklashevych]

move function changes records order, fires move event, doesn't reset sorting.
http://lh/master/bryntum-suite/grid/examples/rowreordering/
Sort by Name column, run grid.store.move(grid.store.last, grid.store.first), see record is moved, sorting is kept.
Also fires change event with "move" action which is not described in the list of possible actions.

At the same time RowReorder feature changes records order when you drag and drop a row (record), fires change event with "add" action and index/oldIndex params (need to add the info about action to the feature docs, change event is already described), resets sorting (correct)

In both cases should be fired the same events, and sorting should be reset.

Forums:
https://www.bryntum.com/forum/viewtopic.php?p=77584#p77584
https://www.bryntum.com/forum/viewtopic.php?p=81162#p81162