AOT: Support registering generic components

[JoNax97]

This fixes an issue/limitation of the Component Registry generator, where generic components were being registered directly instead of registering the concrete types derived from it. We encountered this in our own project.

Before:

[ModuleInitializer]
        public static void Initialize()
        {
           ArrayRegistry.Add<Events<T>>();
           ArrayRegistry.Add<DespawnOn<T>>();
        }

This caused a compilation error.

After:

[ModuleInitializer]
        public static void Initialize()
        {
            ArrayRegistry.Add<DespawnOn<CollisionEvent>>();
            ArrayRegistry.Add<DespawnOn<DamageEvent>>();
            ArrayRegistry.Add<Events<CollisionEvent>>();
        }

The concrete types don't need to be manually registered, the generator automatically scans for them.

[JoNax97]

@genaray let me know if I'm missing anything. I'm not the most well versed with Source Generators