Optimize GC for mesh wrapper.

Assets/Cryville/Crtr/Components/SpriteBase.cs

@@ -89,7 +89,7 @@ namespace Cryville.Crtr.Components {
 		protected void InternalInit(string meshName = "quad") {
 			mesh.Init(transform);
 			mesh.Renderer.sharedMaterials = materials = new Material[] { MeshWrapper.NewMaterial() };
-			mesh.Mesh = GenericResources.Meshes[meshName];
+			mesh.Mesh = Mesh.Instantiate(GenericResources.Meshes[meshName]);
 			UpdateColor();
 			UpdateScale();
 			UpdateZIndex();