Missing null in return, ref #209

app/src/components/MeetingDrawer/Chat/ChatModerator.js

@@ -42,7 +42,7 @@ const ChatModerator = (props) =>
 	} = props;
 
 	if (!isChatModerator)
-		return;
+		return null;
 
 	return (
 		<ul className={classes.root}>

app/src/components/MeetingDrawer/FileSharing/FileSharingModerator.js

@@ -42,7 +42,7 @@ const FileSharingModerator = (props) =>
 	} = props;
 
 	if (!isFileSharingModerator)
-		return;
+		return null;
 
 	return (
 		<ul className={classes.root}>