fix(测试计划): 修复列表标签未显示问题

--bug=1040841 --user=王旭 【测试计划】测试计划中包含标签但在计划列表中未进行展示 https://www.tapd.cn/55049933/s/1518447

backend/services/test-plan/src/main/java/io/metersphere/plan/mapper/ExtTestPlanMapper.xml

@@ -14,6 +14,10 @@
         <result column="group_id" jdbcType="VARCHAR" property="groupId"/>
     </resultMap>
 
+    <resultMap id="BaseResultMapDTO" type="io.metersphere.plan.dto.response.TestPlanResponse">
+        <result column="tags" jdbcType="VARCHAR" property="tags" typeHandler="io.metersphere.handler.ListTypeHandler" />
+    </resultMap>
+
     <update id="updateDefaultGroupId">
         UPDATE test_plan
         SET group_id = 'NONE'
@@ -34,7 +38,7 @@
     </select>
 
     <select id="selectByConditions"
-            resultType="io.metersphere.plan.dto.response.TestPlanResponse">
+            resultMap="BaseResultMapDTO">
         SELECT
         t.id,t.num,t.name,t.status,t.group_id,
         t.create_user AS createUser,