Quick fix for questing, needs more investigation

This would make the questing work again

src/main/java/emu/grasscutter/data/binout/AbilityModifier.java

@@ -322,6 +322,8 @@ public class AbilityModifier implements Serializable {
         public String srcTarget, dstTarget;
         public String srcKey, dstKey;
 
+        public int skillID;
+
         public int param1;
         public int param2;
         public int param3;