submunition hit registration only considers native projectile owner (vehicles)

[indig0fox]

https://github.com/OCAP2/addon/blob/a46b2b30a54792e9e6095f02c4c09fa843dae438/x/ocap/addons/recorder/fnc_eh_firedMan.sqf#L260-L268

Ensure we use custom owner that actually fired (FiredMan) from projectile variable so that the firer is registered as the shooter in Hit Events