[Hygiene] Case is taken into account for domain names

[fruitcakej]

Description

Hygiene appears to be case sensitive for domain names

Environment

SaaS 6.6.15

Reproducible Steps

Steps to create the smallest reproducible scenario:

1. Create the Observable Domain name “sekoia.io”
2. Run the Hygiene connector → It flags it as legitimate
3. Create the Observable Domain name “Sekoia.io”
4. Run the Hygiene connector → It doesn’t flag it