Enable the sort-keys eslint rule (#1746)

## Description:

Enable the `sort-keys` eslint rule.

Fixes #1629

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [ ] I have read and accepted the CLA agreement (only required once).

src/core/game/TerrainMapLoader.ts

@@ -48,8 +48,8 @@ export async function loadTerrainMap(
     await mapFiles.miniMapBin(),
   );
   const result = {
-    manifest: await mapFiles.manifest(),
     gameMap: gameMap,
+    manifest: await mapFiles.manifest(),
     miniGameMap: miniGameMap,
   };
   loadedMaps.set(map, result);