[s] Fixes altclick exploits

code/modules/mob/living/silicon/pai/pai.dm

@@ -185,6 +185,8 @@
 // See software.dm for Topic()
 
 /mob/living/silicon/pai/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
+	if(be_close && !in_range(M, src))
+		return FALSE
 	return TRUE
 
 /mob/proc/makePAI(delold)

code/modules/mob/living/silicon/robot/robot.dm

@@ -879,10 +879,10 @@
 
 /mob/living/silicon/robot/canUseTopic(atom/movable/M, be_close=FALSE, no_dextery=FALSE)
 	if(stat || lockcharge || low_power_mode)
-		return
+		return FALSE
 	if(be_close && !in_range(M, src))
-		return
-	return 1
+		return FALSE
+	return TRUE
 
 /mob/living/silicon/robot/updatehealth()
 	..()