fix: Can't change availability for managed event type (#19006)

* fix: flaky test organization.spec

* fix

packages/features/ee/managed-event-types/lib/handleChildrenEventTypes.ts

@@ -252,6 +252,7 @@ export default async function handleChildrenEventTypes({
           data: {
             ...updatePayloadFiltered,
             hidden: children?.find((ch) => ch.owner.id === userId)?.hidden ?? false,
+            ...(eventType.scheduleId ? { schedule: { connect: { id: eventType.scheduleId } } } : {}),
             hashedLink:
               "multiplePrivateLinks" in unlockedFieldProps
                 ? undefined

packages/trpc/server/routers/viewer/eventTypes/update.handler.ts

@@ -260,7 +260,7 @@ export const updateHandler = async ({ ctx, input }: UpdateOptions) => {
     }
   }
   // allows unsetting a schedule through { schedule: null, ... }
-  else if (null === schedule) {
+  else if (null === schedule || schedule === 0) {
     data.schedule = {
       disconnect: true,
     };