AssetListLoader should load dependencies for all asset types

Currently AssetListLoader is only loading dependencies of asset type model.

https://github.com/playcanvas/engine/blob/c5ee86946dc18acda9deaadf07ac50288f6e5a1c/src/framework/asset/asset-list-loader.js#L144-L153

https://github.com/playcanvas/engine/blob/c5ee86946dc18acda9deaadf07ac50288f6e5a1c/src/framework/asset/asset-list-loader.js#L112-L114

My use case:
When switching between scenes I want to use the AssetListLoader to preload all assets and show a progress bar.

I parse the scene and create a list of all assets which need to be loaded.

Let's say the scene contains a render component. When loading the render component the glb won't be loaded with it.
This results in pop in, when changing the scene.

There are multiple asset types, where this problem occurs:

There are 2 solutions to this problem:

1. Handle loading of dependencies in AssetListLoader (similar to model asset type)
2. Handle loading in AssetRegistry.load. (When a asset is loaded, always load it's dependencies)

Read src/framework/asset/asset-list-loader.js at the linked lines and compare its current model dependency handling with src/framework/asset/asset-registry.js around line 388. Trace how cubemap, material, and render assets are loaded, then determine which approach ensures their listed dependencies are loaded before the asset-list progress completes and prevents scene-switching pop-in.