I need to know the bolt length for the lower front hinge

[Alfaguy]

I have a 5 door mk7 2015and due to an accident the body shop put a used door on the front driver side. It is now sagging so I think they put the wrong bolt in when they put the car together. The picture is of the lower hinge

 

[golfdave]

Heres the ETKA drawing:-

https://www.lllparts.co.uk/catalogs/vw/RDW/GOLF/746/8/831/831000

Looks like M10x25mm or M8x22mm long..items 4,5 & 8, 9