this is acutally is a better fix

my first commit didnt account for the possibility that the revealed item could be destroyed, this way also eliminates another if statement. BUT it still goes through the full cycle for the objects(they still appear translucent for a time)

code/game/objects/items/devices/scanners.dm

@@ -72,9 +72,7 @@ REAGENT SCANNER
 						var/turf/U = O.loc
 						if(U && U.intact)
 							O.invisibility = 101
-							O.alpha = 255
-				if(O.alpha != 255)
-					O.alpha = 255
+						O.alpha = 255
 		for(var/mob/living/M in T.contents)
 			var/oldalpha = M.alpha
 			if(M.alpha < 255 && istype(M))