:sparkles: [web] Disable mic button if language is not choosed
:sparkles: [web] Disable mic button if language is not choosed

GoogleCloudPlatform/appengine-cloud-demo-portal,GoogleCloudPlatform/appengine-cloud-demo-portal,GoogleCloudPlatform/appengine-cloud-demo-portal,GoogleCloudPlatform/appengine-cloud-demo-portal