fix(测试计划): 修复脑图为规划模块下用例添加关联缺陷问题

--bug=1046646 --user=王旭 【测试计划】-脑图执行时，选择未规划用例模块添加或关联缺陷，模块下的用例没有关联添加的缺陷 https://www.tapd.cn/55049933/s/1580685

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanFunctionalCaseMinderService.java

@@ -63,7 +63,7 @@ public class TestPlanFunctionalCaseMinderService {
             //模块
             if (CollectionUtils.isNotEmpty(request.getMinderModuleIds())) {
                 //处理未规划用例
-                List<String> rootIds = ids.stream().filter(id -> StringUtils.endsWith(id, "_root")).map(id -> id.replace("_root", "")).toList();
+                List<String> rootIds = request.getMinderModuleIds().stream().filter(id -> StringUtils.endsWith(id, "_root")).map(id -> id.replace("_root", "")).toList();
                 if (CollectionUtils.isNotEmpty(rootIds)) {
                     ids.addAll(extTestPlanFunctionalCaseMapper.selectIdsByRootIds(rootIds, request.getTestPlanId()));
                 }