Use cursor: pointer instead of href="#"

sass/_minimized_chats.scss

@@ -30,6 +30,7 @@
         }
 
         a.restore-chat {
+            cursor: pointer;
             padding: 1px 0 1px 5px;
             color: var(--chat-head-text-color);
             line-height: 15px;

src/templates/trimmed_chat.html

@@ -1,5 +1,5 @@
 <div class="chat-head-{{{o.type}}} chat-head row no-gutters">
-    <a href="#" class="restore-chat w-100 align-self-center" title="{{{o.tooltip}}}">
+    <a class="restore-chat w-100 align-self-center" title="{{{o.tooltip}}}">
         {[ if (o.num_unread) { ]}
             <span class="message-count badge badge-light">{{{o.num_unread}}}</span>
         {[ } ]}