Regression: Preferences crashing when User has no preferences set. (#18341)

client/account/preferences/PreferencesGlobalSection.js

@@ -10,7 +10,7 @@ const PreferencesGlobalSection = ({ onChange, ...props }) => {
 
 	const userDontAskAgainList = useUserPreference('dontAskAgainList');
 
-	const options = useMemo(() => userDontAskAgainList.map(({ action, label }) => [action, label]), [userDontAskAgainList]);
+	const options = useMemo(() => (userDontAskAgainList || []).map(({ action, label }) => [action, label]), [userDontAskAgainList]);
 
 	const selectedOptions = options.map(([action]) => action);
 

client/account/preferences/PreferencesLocalizationSection.js

@@ -7,7 +7,7 @@ import { useForm } from '../../hooks/useForm';
 
 const PreferencesLocalizationSection = ({ onChange, ...props }) => {
 	const t = useTranslation();
-	const userLanguage = useUserPreference('language');
+	const userLanguage = useUserPreference('language') || '';
 	const languages = useLanguages();
 
 	const languageOptions = useMemo(() => languages.map(({ key, name }) => [key, name]).sort(([a], [b]) => a - b), [languages]);