Enforce caller identity in wh_Auth_BaseUserGet #1208

Job	Run time
coverage (she, SHE=1)	45s
coverage (base)	43s
coverage (threadsafe, THREADSAFE=1)	42s
coverage (dma, DMA=1)	1m 42s
coverage (auth, AUTH=1)	36s
coverage (nocrypto, NOCRYPTO=1)	14s
merge	26s
	5m 8s

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