Don't show bottom border for occupants list in overlay view mode

css/converse.css

@@ -11736,6 +11736,8 @@ body.converse-fullscreen {
     max-width: 41.66667%; }
   #conversejs.converse-overlayed .chatbox.chatroom .chatroom-body .occupants .occupants-heading {
     padding: 0; }
+  #conversejs.converse-overlayed .chatbox.chatroom .chatroom-body .occupants .occupant-list {
+    border-bottom: none; }
   #conversejs.converse-overlayed .chatbox.chatroom .chatroom-body .occupants .chatroom-features .feature {
     font-size: var(--font-size-tiny); }
   #conversejs.converse-overlayed .chatbox.chatroom .chatroom-body .occupants ul .occupant .occupant-nick-badge .occupant-badges {

sass/_chatrooms.scss

@@ -371,6 +371,9 @@
                     .occupants-heading {
                         padding: 0;
                     }
+                    .occupant-list {
+                        border-bottom: none;
+                    }
                     .chatroom-features {
                         .feature {
                             font-size: var(--font-size-tiny);