Fix scheduled posts

Fixes https://gitlab.com/soapbox-pub/soapbox/-/issues/1445

app/soapbox/features/scheduled-statuses/components/scheduled-status.tsx

@@ -22,7 +22,6 @@ interface IScheduledStatus {
 const ScheduledStatus: React.FC<IScheduledStatus> = ({ statusId, ...other }) => {
   const status = useAppSelector((state) => {
     const scheduledStatus = state.scheduled_statuses.get(statusId);
-
     if (!scheduledStatus) return null;
     return buildStatus(state, scheduledStatus);
   }) as StatusEntity | null;

app/soapbox/normalizers/status.ts

@@ -14,6 +14,7 @@ import { normalizeAttachment } from 'soapbox/normalizers/attachment';
 import { normalizeEmoji } from 'soapbox/normalizers/emoji';
 import { normalizeMention } from 'soapbox/normalizers/mention';
 import { accountSchema, cardSchema, groupSchema, pollSchema, tombstoneSchema } from 'soapbox/schemas';
+import { maybeFromJS } from 'soapbox/utils/normalizers';
 
 import type { Account, Attachment, Card, Emoji, Group, Mention, Poll, EmbeddedEntity } from 'soapbox/types/entities';
 
@@ -245,7 +246,7 @@ const normalizeDislikes = (status: ImmutableMap<string, any>) => {
 
 const parseAccount = (status: ImmutableMap<string, any>) => {
   try {
-    const account = accountSchema.parse(status.get('account').toJS());
+    const account = accountSchema.parse(maybeFromJS(status.get('account')));
     return status.set('account', account);
   } catch (_e) {
     return status.set('account', null);

app/soapbox/utils/normalizers.ts

@@ -27,3 +27,12 @@ export type Normalizer<V, R> = (value: V) => R;
 export const toSchema = <V, R>(normalizer: Normalizer<V, R>) => {
   return z.custom<V>().transform<R>(normalizer);
 };
+
+/** Legacy normalizer transition helper function. */
+export const maybeFromJS = (value: any): unknown => {
+  if ('toJS' in value) {
+    return value.toJS();
+  } else {
+    return value;
+  }
+};