Damage should not interrupt spellcasting when target has DC_MOD abnormal type.

Contributed by Enryu and nasseka.

L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/stats/Formulas.java

@@ -425,6 +425,12 @@ public class Formulas
 			return false;
 		}
 		
+		// Cannot interrupt targets affected by Burst or Superior Burst Casting.
+		if (target.hasAbnormalType(AbnormalType.DC_MOD))
+		{
+			return false;
+		}
+		
 		double init = 0;
 		
 		if (Config.ALT_GAME_CANCEL_CAST && target.isCastingNow(SkillCaster::canAbortCast))