[FIX] Magboot & RIG Contamination/PHORONGUARD Usage (#7718)

* Update robotics.dm

* Update scanner.dm

* Update snacks.dm

* rig contamination prevention

code/modules/clothing/shoes/magboots.dm

@@ -2,7 +2,7 @@
 	desc = "Magnetic boots, often used during extravehicular activity to ensure the user remains safely attached to the vehicle. They're large enough to be worn over other footwear."
 	name = "magboots"
 	icon_state = "magboots0"
-	item_flags = PHORONGUARD
+	flags = PHORONGUARD
 	item_state_slots = list(slot_r_hand_str = "magboots", slot_l_hand_str = "magboots")
 	species_restricted = null
 	center_of_mass = list("x" = 17,"y" = 12)

code/modules/clothing/spacesuits/rig/rig.dm

@@ -11,6 +11,7 @@
 	name = "hardsuit control module"
 	icon = 'icons/obj/rig_modules.dmi'
 	desc = "A back-mounted hardsuit deployment and control mechanism."
+	flags = PHORONGUARD
 	slot_flags = SLOT_BACK
 	req_one_access = list()
 	req_access = list()

code/modules/clothing/spacesuits/rig/rig_pieces.dm

@@ -23,7 +23,8 @@
 
 /obj/item/clothing/gloves/gauntlets/rig
 	name = "gauntlets"
-	item_flags = THICKMATERIAL|PHORONGUARD
+	flags = PHORONGUARD
+	item_flags = THICKMATERIAL
 	body_parts_covered = HANDS
 	heat_protection =    HANDS
 	cold_protection =    HANDS