Ensure depth test is configured when rendering clouds

The state of the depth test prior to cloud rendering is
undefined. After rendering, it is expected to be
disabled again.

common/src/main/java/net/caffeinemc/mods/sodium/client/render/immediate/CloudRenderer.java

@@ -175,6 +175,7 @@ public void render(Camera camera,
             RenderSystem.disableCull();
         }
 
+        RenderSystem.enableDepthTest();
         RenderSystem.depthFunc(GL32C.GL_LESS);
 
         // Draw
@@ -184,6 +185,7 @@ public void render(Camera camera,
 
         // State teardown
         RenderSystem.depthFunc(GL32C.GL_LEQUAL);
+        RenderSystem.disableDepthTest();
 
         if (flat) {
             RenderSystem.enableCull();