refactor(core): add validators #2192

Job	Run time
test (activate_totp)	1m 9s
test (check_email_deliverability)	1m 6s
test (delete_account)	52s
test (delete_totp)	1m 0s
test (join_and_moderation)	52s
test (join_collectivite_territoriale_official_contact_domain)	1m 0s
test (join_must_confirm)	49s
test (join_org_with_trackdechets_domain)	57s
test (join_org_with_verified_domain)	59s
test (join_with_code_sent_to_official_contact_email)	53s
test (join_with_code_sent_to_official_educ_nat_contact_email)	1m 0s
test (join_with_official_contact_email)	53s
test (reauthenticate_on_admin_page)	51s
test (redirect_after_session_expiration)	59s
test (reset_password)	52s
test (set_info_after_account_provisioning)	56s
test (signin_from_proconnect_federation_client)	58s
test (signin_from_standard_client)	51s
test (signin_with_email_verification)	1m 0s
test (signin_with_email_verification_renewal)	52s
test (signin_with_legacy_scope)	1m 8s
test (signin_with_magic_link)	54s
test (signin_with_right_acr)	57s
test (signin_with_totp)	59s
test (signup_entreprise_unipersonnelle)	59s
test (update_personal_information)	51s
test (update_totp_application)	1m 0s
	25m 37s

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