aria-expanded was added to select2 on systemtag

Signed-off-by: julia.kirschenheuter <julia.kirschenheuter@nextcloud.com>

apps/systemtags/js/admin.js

@@ -50,6 +50,12 @@
 			$('#systemtag_submit').on('click', _.bind(this._onClickSubmit, this));
 			$('#systemtag_delete').on('click', _.bind(this._onClickDelete, this));
 			$('#systemtag_reset').on('click', _.bind(this._onClickReset, this));
+			$('#systemtag').select2(_.extend(self.select2)).on('select2-open', () => {
+				$('.select2-container').attr('aria-expanded', 'true')
+			});
+			$('#systemtag').select2(_.extend(self.select2)).on('select2-close', () => {
+				$('.select2-container').attr('aria-expanded', 'false')
+			});
 		},
 
 		/**
@@ -125,6 +131,7 @@
 		 * @param {number} tagId
 		 */
 		_prepareForm: function (tagId) {
+			console.log($('#systemtags').children('.select2-container'))
 			if (tagId > 0) {
 				$('#systemtags').attr('data-systemtag-id', tagId);
 				$('#systemtag_delete').removeClass('hidden');