Cyborg grabber QOL and fixes (#7201)

Tweaks:

    With the gripper, hitting the drop hotkey (Q) now drops the held item. If no item is held, the grabber is put away as normal.
    The scientific gripper can now hold slime steroids.
    The chemistry gripper can now hold paper.

Bugfixes:

    Using the drop hotkey (Q) to put away a module now correctly updates the module list interface. Fixes #4343.
    Modules relying on cyborg synthesizers (nanopaste, et al.) now cannot be used when their synthesizer charge is depleted. Fixes #1288.
    Injecting a monkey cube held in a gripper no longer places the monkey inside the gripper's internal contents. Fixes #1097.
    Cyborgs can now re-lock secured crates. Fixes #4833.
    Service borgs can no longer open a portal to infinite grass tiles. Fixes #3814.
    Clerical borgs can now browse through paper bundles held in their gripper, and can pick up taped paper. Fixes #4479. Fixes #6501.

code/game/objects/items/stacks/stack.dm

@@ -190,8 +190,10 @@
 
 //Return 1 if an immediate subsequent call to use() would succeed.
 //Ensures that code dealing with stacks uses the same logic
-/obj/item/stack/proc/can_use(var/used)
+/obj/item/stack/proc/can_use(var/used, var/mob/user=null)
 	if (get_amount() < used)
+		if(user && isrobot(user))
+			to_chat(user, span("warning", "You don't have enough charge left in your synthesizer!"))
 		return 0
 	return 1
 
@@ -211,7 +213,8 @@
 			return 0
 		for(var/i = 1 to charge_costs.len)
 			var/datum/matter_synth/S = synths[i]
-			S.use_charge(charge_costs[i] * used) // Doesn't need to be deleted
+			if(!S.use_charge(charge_costs[i] * used)) // Doesn't need to be deleted
+				return 0
 		return 1
 	return 0