feat: 过滤器兼容flyway

backend/src/main/resources/db/migration/V16__alter_chart_view.sql

 ALTER TABLE `chart_view` ADD COLUMN `ext_stack` LONGTEXT COMMENT '堆叠项' AFTER `y_axis`;
 
-UPDATE `chart_view` SET `ext_stack` = '[]';
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+UPDATE `chart_view` SET `ext_stack` = '[]';
+UPDATE `chart_view` SET `custom_filter` = '[]';
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