[Hotfix] Fix black sludge ME causing non-integer money (#4482)

* Fix tag lapsing on battle start in MEs with free enemy moves

* lapse endure tag as well

* fix black sludge item money calculation

* Update src/modifier/modifier.ts

Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>

---------

Co-authored-by: ImperialSympathizer <imperialsympathizer@gmail.com>
Co-authored-by: NightKev <34855794+DayKev@users.noreply.github.com>

src/modifier/modifier.ts

@@ -2598,7 +2598,8 @@ export class HealShopCostModifier extends PersistentModifier {
   }
 
   apply(args: any[]): boolean {
-    (args[0] as Utils.IntegerHolder).value *= this.shopMultiplier;
+    const moneyCost = args[0] as Utils.NumberHolder;
+    moneyCost.value = Math.floor(moneyCost.value * this.shopMultiplier);
 
     return true;
   }