Fix room full error in capacity session enqueue page

Signed-off-by: Elena-Oana Milchi <E.O.Milchi@student.tudelft.nl>

src/main/resources/templates/lab/enqueue/capacity.html

@@ -52,9 +52,8 @@
                         <div class="invalid-feedback" th:if="${#fields.hasErrors('room')}" th:errors="*{room}">Module error</div>
 
                         <p
-                            class="colour-error font-400"
-                            th:if="${!rooms.isEmpty()}"
-                            th:classappend="${countMap.get(rooms[0]) >= rooms[0].capacity ? '' : 'hidden'}">
+                            id="room-warning"
+                            class="colour-error font-400 hidden">
                             This room is already full and you might not get in. We advise you to pick another room if possible.
                         </p>
                     </div>
@@ -96,6 +95,11 @@
                         }
                     }
                 </script>
+                <script type="text/javascript">
+                    $(document).ready(function() {
+                        updateRoomWarning();
+                    });
+                </script>
             </th:block>
         </th:block>
     </body>