fix(bigquery): route JOB_CREATION_REQUIRED through fast query path #21638

Job	Run time
bulk-filter	1m 15s
enforcer	20m 53s
generation-config-check	1m 9s
units (8)	50s
lint	3m 19s
units (25)	39s
units (11)	31s
windows	1m 52s
units (17)	32s
units (26)	36s
changes	30s
gapic-libraries-bom	20m 32s
units (21)	33s
split-units (java-bigquery, 8)	4m 40s
split-dependencies (java-bigquery)	3m 37s
split-clirr (java-bigquery)	3m 16s
split-units (java-bigquery, 26)	3m 50s
split-units (java-bigquery, 11)	4m 7s
split-units (java-bigquery, 17)	3m 54s
split-units (java-bigquery, 21)	4m 3s
split-units (java-bigquery, 25)	3m 50s
conditional-required-check	4s
	1h 24m 32s

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