Release 3e00c76

Enhance error handling and tile management in map.gd

- Added checks to ensure TileMap node exists before initializing the client and sending map data, improving robustness.
- Updated tile retrieval logic to use source IDs for better accuracy in identifying existing tiles.
- Implemented progress logging during tile placement to provide feedback on client-side processing.
- Enhanced error messages for missing TileMap nodes, ensuring clearer debugging information.

These changes collectively improve the reliability of map generation and client-server communication in the game.