fix: prevent default catalog leak into catalog-unsupported gateways #3519

Job	Run time
changes	8s
test-vscode	58s
test-dbt-versions (1.4)	1m 32s
test-dbt-versions (1.6)	1m 38s
test-dbt-versions (1.10)	1m 51s
test-dbt-versions (1.9)	1m 53s
test-dbt-versions (1.5)	1m 29s
test-dbt-versions (1.8)	1m 36s
test-dbt-versions (1.7)	1m 42s
test-dbt-versions (1.3)	1m 43s
test-vscode-e2e	-1s
cicd-tests-windows	10m 30s
migration-test	1m 34s
doc-tests	32s
style-and-cicd-tests (3.13)	24m 29s
style-and-cicd-tests (3.12)	24m 34s
style-and-cicd-tests (3.11)	24m 42s
engine-tests-docker (mssql)	1m 54s
engine-tests-docker (spark)	5m 40s
style-and-cicd-tests (3.10)	25m 24s
engine-tests-docker (trino)	8m 22s
engine-tests-docker (postgres)	2m 12s
engine-tests-docker (duckdb)	1m 39s
engine-tests-docker (risingwave)	2m 57s
style-and-cicd-tests (3.9)	23m 55s
engine-tests-docker (mysql)	1m 44s
engine-tests-docker (clickhouse)	2m 51s
ui-style	-1s
ui-test	-1s
engine-tests-cloud	0s
	2h 57m 26s

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