feat(cloudauth): support accounts with provider partition field #1831

Job	Run time
Build (darwin, amd64)	38s
Build (freebsd, 386)	17s
Build (freebsd, amd64)	35s
Build (freebsd, arm)	33s
Build (linux, 386)	34s
Build (linux, amd64)	44s
Build (linux, arm)	32s
Build (openbsd, 386)	37s
Build (openbsd, amd64)	32s
Build (solaris, amd64)	39s
Build (windows, 386)	33s
Build (windows, amd64)	33s
Test / Unit Tests	49s
Test / Lint	1m 5s
Test / IBM Secure Acceptance Tests	7m 2s
Test / Sysdig Monitor Acceptance Tests	6m 43s
Test / Sysdig Secure Acceptance Tests	20m 45s
Test / IBM Monitor Acceptance Tests	14m 58s
	58m 9s

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