feat: redirect to OIDC providers only once in registration flows #4602

Job	Run time
Generate SDKs	3m 58s
Run tests and lints	25m 40s
Run Playwright end-to-end tests (postgres)	5m 42s
Run end-to-end tests (postgres)	1h 5m 5s
Run Playwright end-to-end tests (cockroach)	6m 11s
Run end-to-end tests (cockroach)	1h 11m 56s
Run Playwright end-to-end tests (sqlite)	6m 23s
Run end-to-end tests (sqlite)	2h 2m 10s
Run Playwright end-to-end tests (mysql)	6m 13s
Run end-to-end tests (mysql)	1h 4m 51s
Build CLI docs	1m 10s
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Draft newsletter	0s
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	6h 19m 19s

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