Move nested namespace support in REST catalog behind a config #71628

Job	Run time
artifact-checks	11m 10s
maven-checks 23	11m 12s
maven-checks 24-ea	11m 12s
build-test-matrix	57s
check-commits-dispatcher	29s
error-prone-checks	4m 48s
hive-tests (config-hdp3)	1m 6s
test-jdbc-compatibility	4m 30s
test-other-modules	6m 44s
build-pt	9m 24s
check-commit	8s
test (plugin/trino-iceberg)	11m 6s
test (plugin/trino-iceberg, cloud-tests)	4m 19s
test (plugin/trino-iceberg, fte-tests)	10m 30s
test (plugin/trino-iceberg, minio-and-avro)	10m 36s
test (testing/trino-faulttolerant-tests, default)	6m 14s
test (testing/trino-faulttolerant-tests, test-fault-tolerant-delta)	6m 17s
test (testing/trino-faulttolerant-tests, test-fault-tolerant-hive)	10m 38s
test (testing/trino-faulttolerant-tests, test-fault-tolerant-iceberg)	10m 42s
test (testing/trino-tests)	11m 37s
pt (default, suite-1, )	1m 33s
pt (default, suite-2, )	1m 35s
pt (default, suite-3, )	1m 34s
pt (default, suite-5, )	1m 36s
pt (default, suite-6-non-generic, )	1m 32s
pt (default, suite-hive-transactional, )	1m 34s
pt (default, suite-clients, )	1m 34s
pt (default, suite-functions, )	1m 34s
pt (default, suite-tpch, )	1m 31s
pt (default, suite-tpcds, )	1m 34s
pt (default, suite-storage-formats-detailed, )	1m 32s
pt (default, suite-parquet, )	1m 34s
pt (default, suite-ldap, )	1m 34s
pt (default, suite-compatibility, )	1m 35s
pt (default, suite-all-connectors-smoke, )	1m 34s
pt (default, suite-delta-lake-oss, )	1m 34s
pt (default, suite-iceberg, )	1m 36s
pt (default, suite-hudi, )	1m 34s
pt (apache-hive3, suite-hms-only, )	1m 33s
pt (default, suite-7-non-generic, )	1m 34s
	2h 54m 56s

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