Demosite app recaptcha changes (#7706)

* Specify a container_name to simplify docker operations.

* Remove unhelpful  from the response.

Author: faube

recaptcha_enterprise/demosite/docker-compose.yaml

@@ -17,6 +17,7 @@ version: "3"
 services:
   livereload:
     image: demosite-livereload
+    container_name: demosite-livereload
     build:
       context: .
       dockerfile: Dockerfile

recaptcha_enterprise/demosite/src/main/resources/static/scripts/component.js

@@ -1418,7 +1418,6 @@ class RecaptchaDemo extends LitElement {
       "tokenProperties": {
         "action": "${ACTIONS[this.step]}",
         ...
-        "invalidReason": null,
         "valid": true
       },
     }`