What is the legal ruling of wiping the front throat (Halqum) during Wudu according to Noor-ul-Idah?

Ablution (الوضوء): Etiquettes (الآداب) and Disliked Acts (المكروهات)

• It is a recommended etiquette (Adab).
• It is a Sunnah act.
• It is an obligatory Fard.
• It is a disliked innovation (Bid'ah), and only the back of the neck should be wiped.