enable multi cluster settings

...l/schemainfostore/mongo/config/MongoPropertiesReader.java

...hemainfostore/mongo/config/MongoPropertiesReaderImpl.java

...ostore/mongo/config/MultiClusteredConfigReaderSchema.java

...ider/schema-aws/src/main/resources/application.properties

...du/schema/provider/aws/mongo/config/SchemaTestConfig.java

...mongo/impl/schemainfostore/MongoDBAuthorityStoreTest.java

...ongo/impl/schemainfostore/MongoDBEntityTypeStoreTest.java

...ongo/impl/schemainfostore/MongoDBSchemaInfoStoreTest.java

...ws/mongo/impl/schemainfostore/MongoDBSourceStoreTest.java

...group/osdu/schema/provider/aws/mongo/util/ParentUtil.java