Fix seed boolean null handling (#5870) #3952

Job	Run time
changes	8s
test-dbt-versions (1.4)	1m 26s
test-dbt-versions (1.3)	1m 41s
test-dbt-versions (1.8)	1m 38s
test-dbt-versions (1.5)	1m 33s
test-dbt-versions (1.7)	1m 49s
test-dbt-versions (1.10)	1m 48s
test-dbt-versions (1.9)	1m 21s
test-dbt-versions (1.6)	1m 20s
test-vscode	-6s
test-vscode-e2e	-10s
doc-tests	37s
ui-test	1m 21s
style-and-cicd-tests (3.12)	26m 22s
style-and-cicd-tests (3.11)	23m 32s
style-and-cicd-tests (3.10)	19m 30s
style-and-cicd-tests (3.13)	23m 11s
migration-test	1m 27s
cicd-tests-windows	14m 28s
style-and-cicd-tests (3.9)	19m 0s
engine-tests-docker (starrocks)	3m 1s
engine-tests-docker (mysql)	1m 40s
engine-tests-docker (risingwave)	4m 12s
engine-tests-docker (trino)	8m 46s
engine-tests-docker (mssql)	1m 39s
engine-tests-docker (duckdb)	1m 41s
engine-tests-docker (postgres)	2m 14s
engine-tests-docker (spark)	5m 22s
engine-tests-docker (clickhouse)	2m 48s
ui-style	0s
engine-tests-cloud (clickhouse-cloud)	11m 37s
engine-tests-cloud (snowflake)	10m 25s
engine-tests-cloud (gcp-postgres)	3m 27s
engine-tests-cloud (athena)	22m 23s
engine-tests-cloud (databricks)	14m 11s
engine-tests-cloud (bigquery)	15m 36s
engine-tests-cloud (fabric)	5m 6s
engine-tests-cloud (redshift)	8m 56s
	4h 25m 0s

Provide feedback