Add integration test for LOOKUP JOIN on remotes after STATS

[luigidellaquila]

Adding an integration test for queries where a LOOKUP JOIN is executed after a pipeline breaker

[elasticsearchmachine]

Pinging @elastic/es-analytical-engine (Team:Analytics)

[idegtiarenko]

Nit: this could be simplified to:

Suggested change

	var ex = expectThrows(
	VerificationException.class,
	() -> runQuery(
	"FROM c*:logs-* | EVAL lookup_key = v | STATS lookup_key = max(lookup_key) | LOOKUP JOIN values_lookup ON lookup_key",
	randomBoolean()
	)
	);
	assertThat(
	ex.getMessage(),
	containsString("LOOKUP JOIN with remote indices can't be executed after [STATS lookup_key = max(lookup_key)]")
	);
	}
	expectThrows(
	VerificationException.class,
	containsString("LOOKUP JOIN with remote indices can't be executed after [STATS lookup_key = max(lookup_key)]"),
	() -> runQuery(
	"FROM c*:logs-* | EVAL lookup_key = v | STATS lookup_key = max(lookup_key) | LOOKUP JOIN values_lookup ON lookup_key",
	randomBoolean()
	)
	);
	}