[MIRROR] Adds defines for mouse_opacity (#2381)

* Adds defines for mouse_opacity

* Delete misc.dm.rej

* Update misc.dm

code/modules/mob/living/silicon/pai/pai.dm

@@ -4,7 +4,7 @@
 	var/obj/machinery/camera/current = null
 	icon = 'icons/mob/pai.dmi'
 	icon_state = "repairbot"
-	mouse_opacity = 2
+	mouse_opacity = MOUSE_OPACITY_OPAQUE
 	density = FALSE
 	luminosity = 0
 	pass_flags = PASSTABLE | PASSMOB

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

@@ -11,7 +11,7 @@
 /mob/living/silicon/robot/proc/uneq_module(obj/item/O)
 	if(!O)
 		return 0
-	O.mouse_opacity = 2
+	O.mouse_opacity = MOUSE_OPACITY_OPAQUE
 	if(istype(O, /obj/item/borg/sight))
 		var/obj/item/borg/sight/S = O
 		sight_mode &= ~S.sight_mode

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

@@ -122,7 +122,7 @@
 		I.forceMove(src)
 	modules += I
 	I.flags |= NODROP
-	I.mouse_opacity = 2
+	I.mouse_opacity = MOUSE_OPACITY_OPAQUE
 	if(nonstandard)
 		added_modules += I
 	if(requires_rebuild)