update: make undefined from nulls.

Author: ItzNotABug

src/lib/sdk/billing.ts

@@ -628,6 +628,7 @@ export class Billing {
             budget,
             taxId
         };
+
         const uri = new URL(this.client.config.endpoint + path);
         return await this.client.call(
             'patch',

src/routes/(console)/apply-credit/+page.svelte

@@ -148,7 +148,7 @@
                     selectedOrg.$id,
                     billingPlan,
                     paymentMethodId,
-                    null,
+                    undefined,
                     couponData.code ? couponData.code : null,
                     collaborators
                 );

src/routes/(console)/organization-[organization]/change-plan/+page.svelte

@@ -253,7 +253,7 @@
                 data.organization.$id,
                 selectedPlan,
                 paymentMethodId,
-                null,
+                undefined,
                 selectedCoupon?.code,
                 newCollaborators,
                 billingBudget,