gateway: fix Pulsar topics with non default tenant #2657

Job	Run time
CLI End to End tests	8m 58s
Unit tests (Runtime)	7m 0s
Unit tests (Runtime IT)	17m 15s
Unit tests (Deployer)	7m 19s
Unit tests (Api Gateway)	5m 11s
End to End tests (Python, python)	20m 17s
Unit tests (Control plane)	6m 10s
End to End tests (Other, other)	19m 32s
Unit tests (Other)	11m 55s
Unit tests (Style)	4m 22s
	1h 47m 59s

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