media: fix replay on stop bug in tycat

even if stop button in media control has been clicked, media is not stopped but is replayed in tycat

Fixes T1560
popmedia: prevent double deleting of media object

if stop button in media control had clicked, double deleting error message came out (tyq, typop)

@fix
mailmap: add my work alias
 fix CID 1238659: Dereference after null check  (FORWARD_NULL)
fix segfault when OOM on the termpty_save module