[Подтверждено] Sindragosa Mystic Buffet debuff can't be dispelled by ice block

[shadownib]

1 - Sindragosa https://wowroad.info/?npc=38267
2 - Mystic Buffet debuff cannot be dispelled by mage's ice block spell. This is not how its supposed to be.
3 - Mystic Buffet is a debuff and ice block should be dispelling it, together with the instability for example.
4 - The issue exist in the wotlk realm of circle wow 100x one, i saw it last week
5 - I don't know since when this bug stays , i am newbie to the server.
6 - Mystic Buffet - https://wotlk.evowow.com/?spell=72530 ( didn't found it in wow road ) https://imgur.com/plLt2NU < also from the DBM addon.
7 - a way to reproduce it is : reach the last phase at sindragosa and gain Mystic Buffet debuff ( The bug is permanent )
8 - Screenshot that confirms the bug ( Taking dmg from the frost aura "Mystic Buffet debuff , while staying into ice block spell as mage class ) - https://imgur.com/a/cP2vVi2