object: abort queued transitions if current transition failed.
Currently, the queued object transitions are aborted only when we use the wp_object_abort_activation()
API. Therefore, if an object activation failed because a subclass used wp_transition_return_error()
, the queued transitions are not aborted (they are advanced).
This MR improves the object abort activation logic to also abort queued transitions if wp_transition_return_error()
is used.
Edited by Julian Bouzas