Fix more indentation.

Author: stefano-ottolenghi

modules/ROOT/pages/queries/composed-queries/conditional-queries.adoc

@@ -132,9 +132,9 @@ For example, it cannot immediately succeed a `MATCH` clause.
 [source, cypher, role=test-fail]
 ----
 MATCH (n)-[:WORKS_FOR]->(m:Person)
-  WHEN m IS NULL THEN {
-    MERGE (n)-[:WORKS_FOR]->(f: Person {name: 'Peter', age: 36})
-  }
+WHEN m IS NULL THEN {
+  MERGE (n)-[:WORKS_FOR]->(f: Person {name: 'Peter', age: 36})
+}
 RETURN n.name AS employees,
        m.name AS manager,
        f.name AS newManagerNode
@@ -166,7 +166,7 @@ Instead, if `WHEN` constructs are part of a larger query, they must either be pl
 
 .Single conditional `CALL` subquery
 =====
-In this example, `WHEN` is used to execute a xref:subqueries/call-subquery.adoc[`CALL` subquery] for each row that the condition (`m IS NULL`) evaluates to `true`. 
+In this example, `WHEN` is used to execute a xref:subqueries/call-subquery.adoc[`CALL` subquery] for each row that the condition (`m IS NULL`) evaluates to `true`.
 
 .Conditional `CALL` subquery
 [source, cypher]