Restrict waving liquid shader to normal water

mods/default/nodes.lua

@@ -2188,6 +2188,7 @@ minetest.register_node("default:coral_skeleton", {
 minetest.register_node("default:water_source", {
 	description = "Water Source",
 	drawtype = "liquid",
+	waving = 3,
 	tiles = {
 		{
 			name = "default_water_source_animated.png",
@@ -2231,6 +2232,7 @@ minetest.register_node("default:water_source", {
 minetest.register_node("default:water_flowing", {
 	description = "Flowing Water",
 	drawtype = "flowingliquid",
+	waving = 3,
 	tiles = {"default_water.png"},
 	special_tiles = {
 		{