Fix backend terms link not being used

app/javascript/flavours/glitch/features/compose/containers/warning_container.js

@@ -49,7 +49,7 @@ const WarningWrapper = ({ needsLockWarning, hashtagWarning, directMessageWarning
   if (directMessageWarning) {
     const message = (
       <span>
-        <FormattedMessage id='compose_form.encryption_warning' defaultMessage='Posts on Mastodon are not end-to-end encrypted. Do not share any dangerous information over Mastodon.' /> <a href='/terms' target='_blank'><FormattedMessage id='compose_form.direct_message_warning_learn_more' defaultMessage='Learn more' /></a>
+        <FormattedMessage id='compose_form.encryption_warning' defaultMessage='Posts on Mastodon are not end-to-end encrypted. Do not share any dangerous information over Mastodon.' /> {!!termsLink && <a href={termsLink} target='_blank'><FormattedMessage id='compose_form.direct_message_warning_learn_more' defaultMessage='Learn more' /></a>}
       </span>
     );