fix(测试跟踪): 测试计划功能用例执行结果筛选失效

--bug=1018375 --user=陈建星 【测试跟踪】测试计划-功能测试用例-执行结果筛选失效 https://www.tapd.cn/55049933/s/1269572
--bug=1018530 --user=陈建星 【测试跟踪】测试计划-功能用例列表-执行结果-筛选阻塞-未筛选成功 https://www.tapd.cn/55049933/s/1269570

test-track/backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanTestCaseMapper.xml

@@ -220,7 +220,7 @@
                                 #{value}
                             </foreach>
                         </when>
-                        <when test="key=='maintainer' or key = 'maintainer_name'">
+                        <when test="key=='maintainer' or key == 'maintainer_name'">
                             and test_case.maintainer in
                             <foreach collection="values" item="value" separator="," open="(" close=")">
                                 #{value}