app/helpers/rooms_helper.rb

@@ -59,4 +59,11 @@ module RoomsHelper
   def hidden_format_public
     ENV.fetch("HIDDEN_FORMATS_PUBLIC", "").split(",")
   end
+
+  # Returns the total number of visibile rooms for the current user
+  def total_room_count(user)
+    total = user.rooms.length
+    total += user.shared_rooms.length if shared_access_allowed
+    total
+  end
 end

app/views/rooms/show.html.erb

@@ -82,7 +82,7 @@
       </div>
     </div>
 
-    <% if current_user.ordered_rooms.length > 5 %>
+    <% if total_room_count(current_user) > 5 %>
       <div class="input-icon invite-link-input mb-3">
         <span class="input-icon-addon">
           <i class="fas fa-search"></i>