* do not check fake players in callbacks due performance impack
but made proper player checks on each loop cos each loop
retrieve players at live so a suddent disconected player may
happened or craker player with invalid object that property
check at `ck_player(obj)`
* added comments about this, this commit tries to sync the MR at
https://notabug.org/TenPlus1/stamina/pulls/16
until (as always) tenplus1 commit their own solution
