Some fixes for beartraps
missing parenthesis
Fix legcuffing when stepping on two traps.

Prevents having two beartraps on your legs, which results in one of the two not appearing after resisting.
trying to reduce duplicate code.
fix missing 'proc'
target as mob -> mob/living/target
simplifying
fix
Merge pull request #3521 from phil235/BeartrapIconFix

Beartrap  fixes