Prevents Syndie Nukes from being moved without the NAD (#20128)

* syndie nukes are safer

* Farie review

Co-authored-by: Farie82 <farie82@users.noreply.github.com>

Co-authored-by: Farie82 <farie82@users.noreply.github.com>

code/game/gamemodes/nuclear/nuclearbomb.dm

@@ -33,6 +33,8 @@ GLOBAL_VAR(bomb_set)
 	var/obj/item/nuke_core/plutonium/core = null
 	var/lastentered
 	var/is_syndicate = FALSE
+	/// If this is true you cannot unbolt the NAD with tools, only the NAD
+	var/requires_NAD_to_unbolt = FALSE
 	use_power = NO_POWER_USE
 	var/previous_level = ""
 	var/datum/wires/nuclearbomb/wires = null
@@ -44,6 +46,7 @@ GLOBAL_VAR(bomb_set)
 
 /obj/machinery/nuclearbomb/syndicate
 	is_syndicate = TRUE
+	requires_NAD_to_unbolt = TRUE
 
 /obj/machinery/nuclearbomb/undeployed
 	extended = FALSE
@@ -227,6 +230,9 @@ GLOBAL_VAR(bomb_set)
 	. = TRUE
 	if(!I.tool_use_check(user, 0))
 		return
+	if(requires_NAD_to_unbolt)
+		to_chat(user, "<span class='warning'>This device seems to have additional safeguards, and cannot be forcibly moved without using the NAD!</span>")
+		return
 	if(removal_stage == NUKE_INTACT)
 		visible_message("<span class='notice'>[user] starts cutting loose the anchoring bolt covers on [src].</span>",\
 		"<span class='notice'>You start cutting loose the anchoring bolt covers with [I]...</span>",\
@@ -380,6 +386,7 @@ GLOBAL_VAR(bomb_set)
 				if(anchored)
 					visible_message("<span class='warning'>With a steely snap, bolts slide out of [src] and anchor it to the flooring.</span>")
 				else
+					requires_NAD_to_unbolt = FALSE
 					visible_message("<span class='warning'>The anchoring bolts slide back into the depths of [src].</span>")
 			return