Use more efficient account lookup query for LDAP logins #3

Job	Run time
build (production)	2m 12s
build (test)	2m 15s
test (3.1)	6m 55s
test (.ruby-version)	8m 2s
End to End testing (3.1)	3m 49s
Elastic Search integration testing (3.1, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	2m 29s
test (3.3)	6m 50s
End to End testing (.ruby-version)	3m 8s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	2m 25s
End to End testing (3.3)	3m 4s
Elastic Search integration testing (3.3, docker.elastic.co/elasticsearch/elasticsearch:7.17.13)	2m 11s
Elastic Search integration testing (.ruby-version, docker.elastic.co/elasticsearch/elasticsearch:...	2m 18s
	45m 38s

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