Add super call.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tp/tp-tag-input",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "",
   "main": "tp-tag-input.js",
   "scripts": {

tp-tag-input.js

@@ -145,6 +145,7 @@ class TpTagInput extends BaseElement {
   }
 
   firstUpdated() {
+    super.firstUpdated();
     this.listen(this.$.innerInput, 'keydown', '_inputKeyDown');
     this.listen(this.$.input, 'blur', '_inputBlur');
     this.listen(this, 'focus', '_onFocus');