UX: prevents dropdown usage while setting attendance

UX: prevents dropdown usage while setting attendance

diff --git a/assets/stylesheets/common/discourse-post-event.scss b/assets/stylesheets/common/discourse-post-event.scss
index 575a7da..c167311 100644
--- a/assets/stylesheets/common/discourse-post-event.scss
+++ b/assets/stylesheets/common/discourse-post-event.scss
@@ -12,6 +12,10 @@
     .widget-dropdown {
       margin: 0;
 
+      .widget-dropdown-header.disabled {
+        pointer-events: none;
+      }
+
       .widget-dropdown-item {
         .d-icon + span {
           margin-left: 0.5em;

GitHub sha: 3df5127e