Water alpha fixes (#12924)

* Water alpha fix

* fix capes

* shield filter priority

code/modules/clothing/modular_armor/attachments/cape.dm

@@ -13,6 +13,7 @@
 	secondary_color = TRUE
 	attachments_by_slot = list(ATTACHMENT_SLOT_CAPE_HIGHLIGHT)
 	starting_attachments = list(/obj/item/armor_module/greyscale/cape_highlight)
+	appearance_flags = KEEP_APART|TILE_BOUND
 	///True if the hood is up, false if not.
 	var/hood = FALSE
 

code/modules/clothing/modular_armor/attachments/modules.dm

@@ -377,11 +377,11 @@
 		shield_health = shield_left
 		switch(shield_left / max_shield_health)
 			if(0 to 0.33)
-				affected.add_filter("eshield", 1, outline_filter(1, shield_color_low))
+				affected.add_filter("eshield", 2, outline_filter(1, shield_color_low))
 			if(0.33 to 0.66)
-				affected.add_filter("eshield", 1, outline_filter(1, shield_color_mid))
+				affected.add_filter("eshield", 2, outline_filter(1, shield_color_mid))
 			if(0.66 to 1)
-				affected.add_filter("eshield", 1, outline_filter(1, shield_color_full))
+				affected.add_filter("eshield", 2, outline_filter(1, shield_color_full))
 		spark_system.start()
 	else
 		shield_health = 0
@@ -420,7 +420,7 @@
 		return
 	var/mob/living/affected = parent.loc
 	affected.remove_filter("eshield")
-	affected.add_filter("eshield", 1, outline_filter(1, new_color))
+	affected.add_filter("eshield", 2, outline_filter(1, new_color))
 
 //original Martian design, donutsteel
 /obj/item/armor_module/module/eshield/som