updated core to 8.6.1 via composer

core/misc/announce.es6.js

@@ -18,7 +18,7 @@
  *   });
  */
 
-(function (Drupal, debounce) {
+(function(Drupal, debounce) {
   let liveElement;
   const announcements = [];
 
@@ -102,7 +102,7 @@
    *
    * @see http://www.w3.org/WAI/PF/aria-practices/#liveprops
    */
-  Drupal.announce = function (text, priority) {
+  Drupal.announce = function(text, priority) {
     // Save the text and priority into a closure variable. Multiple simultaneous
     // announcements will be concatenated and read in sequence.
     announcements.push({
@@ -112,6 +112,6 @@
     // Immediately invoke the function that debounce returns. 200 ms is right at
     // the cusp where humans notice a pause, so we will wait
     // at most this much time before the set of queued announcements is read.
-    return (debounce(announce, 200)());
+    return debounce(announce, 200)();
   };
-}(Drupal, Drupal.debounce));
+})(Drupal, Drupal.debounce);