fix: do not force cancellation reason for platform (#19087)

apps/api/v2/package.json

@@ -30,7 +30,7 @@
     "@axiomhq/winston": "^1.2.0",
     "@calcom/platform-constants": "*",
     "@calcom/platform-enums": "*",
-    "@calcom/platform-libraries": "npm:@calcom/platform-libraries@0.0.93",
+    "@calcom/platform-libraries": "npm:@calcom/platform-libraries@0.0.94",
     "@calcom/platform-libraries-0.0.2": "npm:@calcom/platform-libraries@0.0.2",
     "@calcom/platform-types": "*",
     "@calcom/platform-utils": "*",

packages/features/bookings/lib/handleCancelBooking.ts

@@ -184,7 +184,7 @@ async function handler(req: CustomRequest) {
     throw new HttpError({ statusCode: 400, message: "User not found" });
   }
 
-  if (!cancellationReason && req.bookingToDelete.userId == userId) {
+  if (!platformClientId && !cancellationReason && req.bookingToDelete.userId == userId) {
     throw new HttpError({
       statusCode: 400,
       message: "Cancellation reason is required when you are the host",