Black Hand Vest is Medium Armor instead of light

Game mode: [Online]
Problem: [Bug]
Region: [EU]

Black Hand Vest and Black Hand Trousers, provided by Irniz of the Furnace use Light Linings to be crafted, but end up as Medium armor.

Steps on how to reproduce issue:

  1. Aquire Irniz of the Furnace as a Slave
  2. Attach Irniz to an Armorers Bench
  3. Look up recipe of Black Hand Vest
  4. Craft Black Hand Vest
  5. Check Armor type