Fixes various runtimes (squashed)

- Fixes runtime in pod lock busters
- Fixes possessed object examination runtime
- Fixes runtime when following a destroyed mob
- Fixes to_chat runtimes from involuntary emotes
- Fixes runtimes from invalid clothing IDs
- Fixes runtime caused by wirecutting non-humans
- Fixes runtime when setting up malf AI antaghuds
- Fixes runtimes in sensory destruction reagents
- Fixes runtime caused by clientless ghosts
- Fixes antag hud runtime in autotraitor generation
- Fixes welding tool shutoff runtime
- Fixes runtime in laptops' welcome program
- Fixes to_chat runtime from mech sound effect
- Fixes runtimes in camera-using NanoUIs
- Fixes to_chat runtimes in resisting held mobs
- Fixes headless mob skeletonizing/husking runtimes
- Fixes non-mob add_logs runtime

code/modules/client/preference/preferences.dm

@@ -1219,15 +1219,15 @@ var/global/list/special_role_times = list( //minimum age (in days) for accounts
 
 						// Don't wear another species' underwear!
 						var/datum/sprite_accessory/S = underwear_list[underwear]
-						if(!(species in S.species_allowed))
+						if(!S || !(species in S.species_allowed))
 							underwear = random_underwear(gender, species)
 
 						S = undershirt_list[undershirt]
-						if(!(species in S.species_allowed))
+						if(!S || !(species in S.species_allowed))
 							undershirt = random_undershirt(gender, species)
 
 						S = socks_list[socks]
-						if(!(species in S.species_allowed))
+						if(!S || !(species in S.species_allowed))
 							socks = random_socks(gender, species)
 
 						//reset hair colour and skin colour