Aseprite v1.3.18-beta3

What's Changed

• Fix cannot select one tile in a tilemap layer in tiles mode (fix #5769) by @Gasparoken in https://github.com/aseprite/aseprite/pull/5771
• Fix zoom level 20% distorts layers (fix #5774) by @Gasparoken in https://github.com/aseprite/aseprite/pull/5776
• Use format auto-detection only on built-in formats (fix #5772) by @ckaiser in https://github.com/aseprite/aseprite/pull/5777

Full Changelog: https://github.com/aseprite/aseprite/compare/v1.3.18-beta2...v1.3.18-beta3