I would consider this a bug... RF thinks there was a crash when the detachable object releases. In contrast, a bomb releases when the auto reset = 0 (is turned off) does not reset the aircraft.
Search forums for "parachute" several threads are available.
This looks promising; https://forums.realflight.com/showthread.php?p=220159&highlight=parachute#post220159
Lol, that project was awhile ago huh? Its amazing how it absolutely works.