Various fixes to our upgrade logic (#536)

Stuff broke over time, especially with the major changes we made leading
up to 2.3. We should test with older saves if/when we make large changes
in the future.

Fixes #532

src/utils/v2APIBreak.ts

@@ -229,7 +229,7 @@ export const v2APIBreak = () => {
   }
 
   // API break function is called before the version31 2.3.0 changes, scripts are still an array.
-  for (const script of home.scripts as unknown as Script[]) {
+  for (const script of home.scripts.values() as unknown as Script[]) {
     processScript(rules, script);
   }