More Borg Gripper Bugfixes (#12197)

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

@@ -269,12 +269,13 @@
 	uneq_active()
 
 /mob/living/silicon/robot/drop_from_inventory(var/obj/item/W, var/atom/target = null)
+	var/do_feedback = target ? FALSE : TRUE //Do not do feedback messages if dropping to a target, to avoid duplicate "You release X" messages. 
 	if(W)
 		if(!target)
 			target = loc
 		if (istype(W.loc, /obj/item/gripper))
 			var/obj/item/gripper/G = W.loc
-			G.drop(target)
+			G.drop(target, do_feedback)
 			return TRUE
 	return FALSE
 

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

@@ -272,7 +272,8 @@
 		/obj/item/reagent_containers/food/drinks/sillycup,
 		/obj/item/reagent_containers/food/drinks/medcup,
 		/obj/item/smallDelivery,
-		/obj/item/gift
+		/obj/item/gift,
+		/obj/item/reagent_containers/chem_disp_cartridge
 		)
 
 /obj/item/gripper/service //Used to handle food, drinks, and seeds.
@@ -292,7 +293,8 @@
 		/obj/item/smallDelivery,
 		/obj/item/gift,
 		/obj/item/stack/packageWrap,
-		/obj/item/stack/wrapping_paper
+		/obj/item/stack/wrapping_paper,
+		/obj/item/reagent_containers/chem_disp_cartridge //Drink cartridges
 		)
 
 /obj/item/gripper/no_use //Used when you want to hold and put items in other things, but not able to 'use' the item

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

@@ -343,7 +343,7 @@
 	if(!right_flash)
 		to_chat(user, FONT_SMALL(SPAN_WARNING("It is lacking its right flash.")))
 
-/obj/item/robot_parts/head/attackby(obj/item/W as obj, mob/user as mob)
+/obj/item/robot_parts/head/attackby(obj/item/W, mob/user)
 	..()
 	if(W.ismultitool())
 		if(law_manager)
@@ -354,9 +354,9 @@
 			law_manager = TRUE
 
 	if(istype(W, /obj/item/device/flash))
-		if(istype(user, /mob/living/silicon/robot))
-			var/current_module = user.get_active_hand()
-			if(current_module == W)
+		if(isrobot(user))
+			var/mob/living/silicon/robot/R = user
+			if(istype(R.module_active, /obj/item/device/flash))
 				to_chat(user, SPAN_WARNING("You cannot detach your own flash and install it into \the [src]."))
 				return
 			else