fix(用例管理): 功能用例标签模糊搜索

--bug=1035775 --user=王旭 【用例管理】功能用例列表搜索，搜索标签不是模糊搜索 https://www.tapd.cn/55049933/s/1462409

backend/services/case-management/src/main/java/io/metersphere/functional/mapper/ExtFunctionalCaseMapper.xml

@@ -170,7 +170,7 @@
             and (
             functional_case.name like concat('%', #{request.keyword},'%')
             or functional_case.num like concat('%', #{request.keyword},'%')
-            or JSON_CONTAINS(tags, concat('["',#{request.keyword},'"]'))
+            or functional_case.tags like concat('%', #{request.keyword},'%')
             )
         </if>
         <include refid="filters">