Replace literal 'latest_snapshot' in invoice SQL query

This should be %SOURCE_DATASET% so that it's adjusted appropriately based on the parameter value.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=155582718

java/google/registry/tools/sql/registrar_account_data_view.sql

@@ -34,7 +34,7 @@ FROM (
     billingAccountMap.accountId,
     ROW_NUMBER() OVER (PARTITION BY registrarId) AS pos
   FROM
-    FLATTEN([latest_snapshot.Registrar], billingAccountMap.accountId)) AS I
+    FLATTEN([%SOURCE_DATASET%.Registrar], billingAccountMap.accountId)) AS I
 JOIN (
   SELECT
     __key__.name AS registrarId,