Death Essence Upgrade

- Fixed the Description not being displayed for any of the items in the Mail Depot category of the Amber Store

- Alpha/Astral creatures now drop anywhere between 10-20 Ancient Amber

- Bosses now drop Ancient Amber in addition to Eery Element when killed and increased the amount of Eery Element gained:
   - World Bosses:  30 Eery Element & 100 Ancient Amber
   - Titans:  40 Eery Element & 200 Ancient Amber
   - Gamma Bosses:  60 Eery Element & 300 Ancient Amber
   - Beta Bosses:  80 Eery Element & 400 Ancient Amber
   - Alpha Bosses:  100 Eery Element & 500 Ancient Amber

- Fix for preventing all minions from dropping Eery Element and Ancient Amber including the new Astraeos Kraken minions, etc.