fix(DB/Custom): Stackable debuffs for wotlk T8 and up raids (#22105)

data/sql/updates/pending_db_world/rev_1746905184805511100.sql

@@ -0,0 +1,22 @@
+-- Stackable debuffs
+SET @flag := 4194304;
+
+DELETE FROM `spell_custom_attr` WHERE `spell_id` IN (50370,63615,63612,63673,62326,64375,64667,64666,64374,18958,69308,70964,70189,71127,70435,71154,71257);
+INSERT INTO `spell_custom_attr` (`spell_id`, `attributes`) VALUES
+(50370, @flag), -- Sunder Armor; Ulduar
+(63615, @flag), -- Ravage Armor
+(63612, @flag), -- Lightning Brand
+(63673, @flag),
+(62326, @flag), -- Low Blow
+(64375, @flag), -- Rip Flesh
+(64667, @flag),
+(64666, @flag), -- Savage Pounce
+(64374, @flag),
+(18958, @flag), -- Flame Lash; Onyxia
+(69308, @flag),
+(70964, @flag), -- Shield Bash; Icecrown Citadel
+(70189, @flag), -- Poison Spit
+(71127, @flag), -- Mortal Wound (can be abused if you pull the 2 dogs, stacks will never go over 1)
+(70435, @flag), -- Rend Flesh
+(71154, @flag),
+(71257, @flag); -- Barbaric Strike