Prevent Fusion Status Errors +Fix Double Battle Issue (#472)

* Reapply "Prevent Fusing Status Errors (#465)"

This reverts commit 18a1c152c0.

* Update phases.ts

public/manifest.webmanifest

@@ -3,7 +3,7 @@
   "short_name": "PokéRogue",
   "description": "A Pokémon fangame heavily inspired by the roguelite genre. Battle endlessly while gathering stacking items, exploring many different biomes, and reaching Pokémon stats you never thought possible.",
   "scope": "/",
-  "start_url": "https://pokerogue.net",
+  "start_url": "/",
   "display": "fullscreen",
   "background_color": "#8c8c8c",
   "theme_color": "#8c8c8c",