refactor(core): add validators #2195

Job	Run time
test (activate_totp)	1m 17s
test (check_email_deliverability)	1m 17s
test (delete_account)	1m 20s
test (delete_totp)	1m 17s
test (join_and_moderation)	1m 14s
test (join_collectivite_territoriale_official_contact_domain)	3m 8s
test (join_must_confirm)	1m 11s
test (join_org_with_trackdechets_domain)	1m 31s
test (join_org_with_verified_domain)	1m 14s
test (join_with_code_sent_to_official_contact_email)	1m 8s
test (join_with_code_sent_to_official_educ_nat_contact_email)	1m 20s
test (join_with_official_contact_email)	1m 8s
test (reauthenticate_on_admin_page)	1m 12s
test (redirect_after_session_expiration)	1m 26s
test (reset_password)	1m 25s
test (set_info_after_account_provisioning)	1m 7s
test (signin_from_proconnect_federation_client)	1m 17s
test (signin_from_standard_client)	1m 40s
test (signin_with_email_verification)	1m 17s
test (signin_with_email_verification_renewal)	1m 18s
test (signin_with_legacy_scope)	1m 24s
test (signin_with_magic_link)	1m 30s
test (signin_with_right_acr)	1m 46s
test (signin_with_totp)	1m 36s
test (signup_entreprise_unipersonnelle)	1m 8s
test (update_personal_information)	1m 35s
test (update_totp_application)	1m 15s
	38m 1s

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