Combobox with list and both autocomplete: Fix issue with listbox not updating (pull #1335)

* fixed #1332 by adding call to filterOptions after updating filter
* added update filterOptions when ever backspace is pressed

Co-authored-by: Matt King <[email protected]>

Author: jongund

examples/combobox/js/combobox-autocomplete.js

@@ -391,6 +391,7 @@ ComboboxAutocomplete.prototype.handleComboboxKeyUp = function (event) {
   if (this.comboboxNode.value.length < this.filter.length) {
     this.filter = this.comboboxNode.value;
     this.option = null;
+    this.filterOptions()
   }
 
   if (event.key === "Escape" || event.key === "Esc") {
@@ -402,7 +403,9 @@ ComboboxAutocomplete.prototype.handleComboboxKeyUp = function (event) {
     case "Backspace":
       this.setVisualFocusCombobox();
       this.setCurrentOptionStyle(false);
+      this.filter = this.comboboxNode.value;
       this.option = null;
+      this.filterOptions()
       flag = true;
       break;