feat: Allow returning null from getRedirectionURL override (#766) #1374

Job	Run time
setup	4s
test (./examples/with-multiple-email-sign-in)	3m 6s
test (./examples/with-account-linking)	3m 14s
test (./examples/with-emailpassword-vercel)	2m 49s
test (./examples/with-svelte-react-thirdpartyemailpassword)	2m 13s
test (./examples/with-update-email-post-verification)	3m 28s
test (./examples/with-netlify)	3m 27s
test (./examples/with-i18next)	2m 56s
test (./examples/with-one-login-per-subdomain)	2m 55s
test (./examples/with-phone-password)	3m 8s
test (./examples/with-cli-login)	2m 51s
test (./examples/with-localstorage)	2m 14s
test (./examples/with-sign-in-up-split-emailpassword)	2m 41s
test (./examples/with-emailverification-then-password-thirdpartyemailpassword)	2m 57s
test (./examples/with-no-session-on-sign-up-thirdpartyemailpassword)	2m 52s
test (./examples/with-thirdpartyemailpassword-passwordless)	3m 49s
test (./examples/with-emailverification-with-otp)	2m 58s
test (./examples/with-thirdpartyemailpassword-2fa-passwordless)	3m 1s
	50m 43s

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