Optimizations

This patch note brings you new optimizations and bug fixes.
We have updated the engine version to the Unreal 5.5 and have fixed a few underlying issues with the core level.

Full Patch Notes :
- Fixed reflection lag
- Fixed a few branches sticking out of the ground
- Fixed the ground collision in certain areas of the game
- Optimized a variety of meshes with nanite and converted various textures into virtual textures
- Changed the weather in 2 of the scenes.
- Updated to Unreal 5.5
- Optimized the game with a few new graphical settings which will not affect the visual quality.