message: Fix timezone drift when editing a scheduled post
diff: @@ -121,7 +121,7 @@ const maxHeight = ref(0);
  const now = ref(0);
  const keyGroups = ref<KeyGroup[]>([]);
  -const timezones = ref<{ [region: string]: (TimezoneData & { label?: string })[] }>({});
  +const timezones = ref<{ [region: string]: (TimezoneData & { label?: string })[] } | null>(null);
  const linkedAccounts = ref<LinkedAccount[]>([]);
  const publishToPlatforms = ref<number[] | null>(null);
  const attachedCommunities = ref<{ community: Community; channel: CommunityChannel }[]>([]);
  