Fix filter toggle click propagation to preview badge

- Added check to ignore clicks on .toggle-count.clickable in filter-group-toggle handler
- Prevents parent button from expanding values when clicking preview badge
- Added .gitignore to exclude node_modules

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

sources/js/admin/entity-selector/_events.js

@@ -1566,6 +1566,10 @@
 
             // Toggle filter group - show values
             this.$dropdown.on('click', '.filter-group-toggle', function(e) {
+                // Ignore clicks on the preview badge
+                if ($(e.target).closest('.toggle-count.clickable').length) {
+                    return;
+                }
                 e.preventDefault();
                 var $btn = $(this);
                 var groupId = $btn.data('group-id');