Split up and rename var/flags (#17794)

* Split up and rename `var/flags`

* Various fixes

* CL

* Don't rename Phoron Guard phoron preset

---------

Co-authored-by: Cody Brittain <cbrittain10@live.com>

code/modules/mining/coins.dm

@@ -6,7 +6,7 @@
 	icon_state = "coin__heads"
 	randpixel = 8
 	desc = "A flat disc or piece of metal with an official stamp. An archaic type of currency."
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	force = 0.0
 	throwforce = 0.0
 	w_class = ITEMSIZE_TINY

code/modules/mining/mine_items.dm

@@ -10,7 +10,7 @@
 		slot_l_hand_str = 'icons/mob/items/lefthand_mining.dmi',
 		slot_r_hand_str = 'icons/mob/items/righthand_mining.dmi',
 		)
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	throwforce = 4.0
 	force = 10.0
@@ -325,7 +325,7 @@
 		)
 	icon_state = "shovel"
 	item_state = "shovel"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	force = 8.0
 	throwforce = 4.0
@@ -618,7 +618,7 @@
 	desc = "An antiquated device that can detect ore in a wide radius around the user."
 	icon = 'icons/obj/device.dmi'
 	icon_state = "pinoff"
-	flags = CONDUCT
+	obj_flags = OBJ_FLAG_CONDUCTABLE
 	slot_flags = SLOT_BELT
 	w_class = ITEMSIZE_SMALL
 	item_state = "electronic"