minor visual fixes for deleted topics

src/views/tinode-web.jsx

@@ -1488,6 +1488,12 @@ class TinodeWeb extends React.Component {
   defaultTopicContextMenu(topicName) {
     const topic = this.tinode.getTopic(topicName);
 
+    if (topic._deleted) {
+      return [
+        'topic_delete'
+      ];
+    }
+
     let muted = false, blocked = false, self_blocked = false, subscribed = false, deleter = false, archived = false;
     if (topic) {
       subscribed = topic.isSubscribed();

src/widgets/contact-list.jsx

@@ -109,12 +109,12 @@ class ContactList extends React.Component {
               selected={selected}
               showOnline={this.props.showOnline && !isChannel}
               isChannel={isChannel}
-              onSelected={this.props.onTopicSelected}
               showContextMenu={this.props.showContextMenu}
               isVerified={c.trusted && c.trusted.verified}
               isStaff={c.trusted && c.trusted.staff}
               isDangerous={c.trusted && c.trusted.danger}
               deleted={c._deleted}
+              onSelected={this.props.onTopicSelected}
               item={key}
               index={contactNodes.length}
               key={key} />