Use Immutable Record for accounts in Redux state (#26559)

app/javascript/mastodon/features/ui/components/focal_point_modal.jsx

@@ -110,7 +110,7 @@ class FocalPointModal extends ImmutablePureComponent {
 
   static propTypes = {
     media: ImmutablePropTypes.map.isRequired,
-    account: ImmutablePropTypes.map.isRequired,
+    account: ImmutablePropTypes.record.isRequired,
     isUploadingThumbnail: PropTypes.bool,
     onSave: PropTypes.func.isRequired,
     onChangeDescription: PropTypes.func.isRequired,

app/javascript/mastodon/features/ui/components/report_modal.jsx

@@ -41,7 +41,7 @@ class ReportModal extends ImmutablePureComponent {
     statusId: PropTypes.string,
     dispatch: PropTypes.func.isRequired,
     intl: PropTypes.object.isRequired,
-    account: ImmutablePropTypes.map.isRequired,
+    account: ImmutablePropTypes.record.isRequired,
   };
 
   state = {