Fix license ID field name (#14592)

* Fix license ID field name

* Adding CHANGELOG entry

CHANGELOG.next.asciidoc

@@ -66,6 +66,9 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Fix cloudwatch metricset with names and dimensions in config. {issue}14376[14376] {pull}14391[14391]
 - Fix marshaling of ms-since-epoch values in `elasticsearch/cluster_stats` metricset. {pull}14378[14378]
 - Log bulk failures from bulk API requests to monitoring cluster. {issue}14303[14303] {pull}14356[14356]
+- Fixed bug with `elasticsearch/cluster_stats` metricset not recording license expiration date correctly. {issue}14541[14541] {pull}14591[14591]
+- Vshpere module splits `virtualmachine.host` into `virtualmachine.host.id` and `virtualmachine.host.hostname`. {issue}7187[7187] {pull}7213[7213]
+- Fixed bug with `elasticsearch/cluster_stats` metricset not recording license ID in the correct field. {pull}14592[14592]
 
 *Packetbeat*
 

metricbeat/module/elasticsearch/elasticsearch.go

@@ -485,10 +485,9 @@ func (l *License) IsOneOf(candidateLicenses ...string) bool {
 // particular it ensures that ms-since-epoch values are marshaled as longs
 // and not floats in scientific notation as Elasticsearch does not like that.
 func (l *License) ToMapStr() common.MapStr {
-
 	m := common.MapStr{
 		"status":               l.Status,
-		"id":                   l.ID,
+		"uid":                  l.ID,
 		"type":                 l.Type,
 		"issue_date":           l.IssueDate,
 		"issue_date_in_millis": l.IssueDateInMillis,