Implement on the fly world chunk loading

[jobe-m]

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[augmentcode]

🤖 Augment PR Summary

Summary: Adds on-the-fly world chunk loading so chunks (and their entity assets) can be loaded as the camera approaches chunk boundaries.

Changes:

• AssetStore now receives GameStateManager and forwards it into WorldMapData
• WorldMapData was refactored to track chunk dimensions/pixels and to use chunkLookUpTable + chunkGridVania for chunk lookup
• AssetLoader now supports loading a single chunk or a list of chunks, and populates the new lookup/grid structures
• Re-enabled the WorldChunk component and attached it to the main camera blueprint
• Renamed runtime prefab/entity references in SystemRuntimeConfigs and updated dependent systems to use the new getters
• WorldChunkSystem now triggers chunk loads/spawns based on camera position and refreshes entities’ chunk assignment from their positions
• Game state config now uses initialChunkList (instead of a single chunk) and tests/serializer registrations were updated accordingly

Technical Notes: Adjacent chunk loading is initiated asynchronously (via launchAsap on Dispatchers.ResourceDecoder) when the camera crosses chunk midpoints.

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[augmentcode]

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