add mastodon preface to elastic search fullnameOverride

Author: jessebot

mastodon/small-hack/app_of_apps/mastodon_argocd_appset.yaml

@@ -276,7 +276,7 @@ spec:
               # RAILS_ENV=production bundle exec rake chewy:sync
               # (https://docs.joinmastodon.org/admin/optional/elasticsearch/)
               enabled: true
-              fullnameOverride: elasticsearch
+              fullnameOverride: mastodon-elasticsearch
               master:
                 replicaCount: 1
                 autoscaling: