[DK] Use modified_spell for Infliction of Sorrow consume

engine/class_modules/sc_death_knight.cpp

@@ -12107,7 +12107,7 @@ void death_knight_t::trigger_infliction_of_sorrow( player_t* target, bool is_vam
     // The talent itself references 100% damage done, and it's stored in the below effect
     // mod = talent.sanlayn.infliction_of_sorrow->effectN( 1 ).percent();
     // However, the buff that is on the player still has 200% set, and in game testing shows the explosion to be 200%
-    mod = spell.infliction_of_sorrow_buff->effectN( 1 ).percent();
+    mod = modified_spell.infliction_of_sorrow->effectN( 1 ).percent();
 
     buffs.infliction_of_sorrow->expire();
     if ( disease_td->is_ticking() )