Redirect to refactored login if legacy Florence unauthenticated
Redirect to refactored login if legacy Florence unauthenticated


Former-commit-id: e60404bfbde9671b6f7f23f2385ef490d83c4319
Former-commit-id: 779fee72c4350a0cf617230c8c77c9c3b6b31b5d
Former-commit-id: 46b7e4101435b55410e4b952f07c7c2ae33627a6
ONSdigital/florence,ONSdigital/florence,ONSdigital/florence,ONSdigital/florence