fix: prevent default catalog leak into catalog-unsupported gateways #3521

Job	Run time
test-vscode	58s
test-dbt-versions (1.6)	1m 36s
changes	8s
test-dbt-versions (1.5)	1m 34s
test-dbt-versions (1.4)	1m 31s
test-dbt-versions (1.10)	1m 33s
test-dbt-versions (1.7)	1m 35s
test-dbt-versions (1.8)	1m 50s
test-dbt-versions (1.3)	1m 46s
test-dbt-versions (1.9)	1m 38s
test-vscode-e2e	0s
cicd-tests-windows	15m 19s
doc-tests	38s
style-and-cicd-tests (3.9)	25m 0s
style-and-cicd-tests (3.11)	25m 27s
style-and-cicd-tests (3.10)	24m 1s
style-and-cicd-tests (3.13)	30m 50s
engine-tests-docker (duckdb)	1m 36s
engine-tests-docker (spark)	5m 51s
engine-tests-docker (mssql)	1m 45s
engine-tests-docker (risingwave)	2m 33s
engine-tests-docker (mysql)	2m 7s
engine-tests-docker (trino)	9m 55s
migration-test	1m 35s
engine-tests-docker (clickhouse)	2m 56s
style-and-cicd-tests (3.12)	23m 30s
engine-tests-docker (postgres)	2m 8s
ui-style	0s
ui-test	0s
engine-tests-cloud	0s
	3h 9m 20s

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