Release 885ba95

Enhance tile validation and error handling in map.gd

- Added bounds checking for tile positions in set_tile and sync_tile functions to prevent out-of-bounds errors.
- Implemented fallback logic for invalid atlas coordinates, ensuring a default tile is used when necessary.
- Improved error logging for invalid tileset sources, enhancing robustness and debugging capabilities.
- Updated comments for better clarity on validation processes and fallback mechanisms.