fix: update balance changes usage, not included

shared/utils/cusEntUtils/overageUtils/cusEntToInvoiceOverage.ts

@@ -1,22 +1,32 @@
+import { nullish } from "@utils/utils";
 import { Decimal } from "decimal.js";
 import type { FullCusEntWithFullCusProduct } from "../../../models/cusProductModels/cusEntModels/cusEntWithProduct";
 import { isEntityScopedCusEnt } from "../classifyCusEntUtils";
 
 export const cusEntToInvoiceOverage = ({
 	cusEnt,
+	entityId,
 }: {
 	cusEnt: FullCusEntWithFullCusProduct;
+	entityId?: string;
 }) => {
 	// 1. If entity scoped
 	if (isEntityScopedCusEnt(cusEnt)) {
 		let totalOverage = new Decimal(0);
-		for (const [_, entity] of Object.entries(cusEnt.entities || {})) {
+		if (nullish(entityId)) {
+			for (const [_, entity] of Object.entries(cusEnt.entities || {})) {
+				const overage = Decimal.max(0, new Decimal(-entity.balance));
+
+				totalOverage = totalOverage.add(overage);
+			}
+
+			return totalOverage.toNumber(); // this is NOT to be used for any amount calculations OR billing calculations. ONLY display purposes (invoice descriptions)
+		} else {
+			const entity = cusEnt.entities?.[entityId];
+			if (nullish(entity)) return 0;
 			const overage = Decimal.max(0, new Decimal(-entity.balance));
-
-			totalOverage = totalOverage.add(overage);
+			return overage.toNumber();
 		}
-
-		return totalOverage.toNumber(); // this is NOT to be used for any amount calculations OR billing calculations. ONLY display purposes (invoice descriptions)
 	}
 
 	// 2. If not entity scoped