[FIXED] [Quest] Quest items drop chance @ Profession quest line

[Magnus06]

Some quest items needed to complete legion's profession questline has a much lower drop chance than expected.

If you think some quest items are still too low and you have a proof it should be higher, please open a bug report.

Here is a list of the items that were changed.

Spoiler:

Alchemy :
- Eternity Sand
- Nythendra's Heart

Blacksmithing :
- Masterwork Hatecoil Breastplate
- Masterwork Hatecoil Pauldrons
- Black Rook Breastplate
- Ancient Vrykul Hammer

Enchanting :
- Rune of Dominance
- Fel-Crusted Rune

Engineering :
- Runestone of Vitality

Mining :
- Fel Energy Core

Skinning :
- Hide of Dresaron
- Scales of Serpentrix
- Hide of Fenryr
- Pestilential Hide of Nythendra
- Lion Seal Hide