[Glitch] Fix showing translate button when status has no language in web UI

Port 4adb267f91 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/components/status_content.js

@@ -278,7 +278,7 @@ class StatusContent extends React.PureComponent {
     } = this.props;
 
     const hidden = this.props.onExpandedToggle ? !this.props.expanded : this.state.hidden;
-    const renderTranslate = this.context.identity.signedIn && this.props.onTranslate && ['public', 'unlisted'].includes(status.get('visibility')) && status.get('contentHtml').length > 0 && intl.locale !== status.get('language');
+    const renderTranslate = this.context.identity.signedIn && this.props.onTranslate && ['public', 'unlisted'].includes(status.get('visibility')) && status.get('contentHtml').length > 0 && status.get('language') !== null && intl.locale !== status.get('language');
     const language = preloadedLanguages.find(lang => lang[0] === status.get('language'));
     const languageName = language ? language[2] : status.get('language');