Fix fog tint in overworld, apply memory leak fix from rain.lua to snow.lua and thunder.lua

mods/ENVIRONMENT/mcl_weather/skycolor/dimensions.lua

@@ -52,6 +52,9 @@ function dimension_handlers.overworld(player, sky_data)
 			dawn_horizon = dawn_color,
 			night_sky = night_color,
 			night_horizon = night_color,
+			fog_sun_tint = "#ff5f33",
+			fog_moon_tint = nil,
+			fog_tint_type = "custom",
 		},
 		clouds = true,
 	}

mods/ENVIRONMENT/mcl_weather/snow.lua

@@ -75,6 +75,7 @@ function mcl_weather.has_snow(pos)
 end
 
 function mcl_weather.snow.set_sky_box()
+	if mcl_weather.skycolor.current_layer_name() ~= "weather-pack-snow-sky" then
 		mcl_weather.skycolor.add_layer(
 			"weather-pack-snow-sky",
 			{{r=0, g=0, b=0},
@@ -82,6 +83,7 @@ function mcl_weather.snow.set_sky_box()
 			{r=135, g=135, b=135},
 			{r=85, g=86, b=86},
 			{r=0, g=0, b=0}})
+	end
 	mcl_weather.skycolor.active = true
 	for _, player in pairs(get_connected_players()) do
 		player:set_clouds({color="#ADADADE8"})

mods/ENVIRONMENT/mcl_weather/thunder.lua

@@ -23,6 +23,7 @@ minetest.register_globalstep(function(dtime)
 	mcl_weather.rain.make_weather()
 
 	if mcl_weather.thunder.init_done == false then
+		if mcl_weather.skycolor.current_layer_name() ~= "weather-pack-thunder-sky" then
 			mcl_weather.skycolor.add_layer("weather-pack-thunder-sky", {
 				{r=0, g=0, b=0},
 				{r=40, g=40, b=40},
@@ -30,6 +31,7 @@ minetest.register_globalstep(function(dtime)
 				{r=40, g=40, b=40},
 				{r=0, g=0, b=0},
 			})
+		end
 		mcl_weather.skycolor.active = true
 		for _, player in pairs(get_connected_players()) do
 			player:set_clouds({color="#3D3D3FE8"})