fix: 测试计划关联性能测试后无法显示关联用例

backend/src/main/java/io/metersphere/base/mapper/ext/ExtTestPlanLoadCaseMapper.xml

@@ -53,8 +53,8 @@
         p.name as projectName
         from test_plan_load_case tplc
         inner join load_test lt on tplc.load_case_id = lt.id
-        inner join user u on lt.user_id = u.id
-        inner join project p on lt.project_id = p.id
+        left join user u on lt.user_id = u.id
+        left join project p on lt.project_id = p.id
         <where>
             tplc.test_plan_id = #{request.testPlanId}
             <if test="request.projectId != null and request.projectId != ''">