Fix design issues with recent react-intl upgrade (#25272)

app/javascript/mastodon/locales/intl_provider.tsx

@@ -48,6 +48,7 @@ export const IntlProvider: React.FC<
       locale={locale}
       messages={messages}
       onError={onProviderError}
+      textComponent='span'
       {...props}
     >
       {children}