refactor(marketing): 将 Promotion 类中的 enableStatus 字段类型从 boolean 改为 Boolean

src/main/java/com/xynet/marketing/entity/Promotion.java

@@ -58,5 +58,5 @@ public class Promotion {
 
     private Integer weight;
 
-    private boolean enableStatus;
+    private Boolean enableStatus;
 }