pinning topics work as expected

src/widgets/contact-list.jsx

@@ -132,6 +132,7 @@ class ContactList extends React.Component {
               badges={badges}
               showCheckmark={showCheckmark}
               selected={selected}
+              pinned={c.pinned}
               showOnline={this.props.showOnline && !isChannel}
               isChannel={isChannel}
               isGroup={isGroup}

src/widgets/contact.jsx

@@ -117,7 +117,7 @@ class Contact extends React.Component {
     const comment = preview || this.props.comment ||
       (self ? this.props.intl.formatMessage(messages.self_topic_comment) : '\u00A0');
     const bgColor = this.props.showCheckmark ? null :
-      (this.props.selected ? 'selected' : (this.props.pinned ? 'pinned' : null));
+      (this.props.selected ? 'selected' : (this.props.pinned ? 'tpinned' : null));
     return (
       <li className={bgColor} onClick={this.handleClick}>
         <div className="avatar-box">