fix(domain): 修正价格历史表名映射错误

- 将MatPriceHistory实体的表名从mat_mat_price_history更正为mat_price_history
- 确保实体类与数据库表结构保持一致

gear-mat/src/main/java/com/gear/mat/domain/MatPriceHistory.java

@@ -16,7 +16,7 @@ import com.gear.common.core.domain.BaseEntity;
  */
 @Data
 @EqualsAndHashCode(callSuper = true)
-@TableName("mat_mat_price_history")
+@TableName("mat_price_history")
 public class MatPriceHistory extends BaseEntity {
 
     private static final long serialVersionUID=1L;