fix(测试跟踪): 测试计划关联用例，筛选版本后再切换项目，搜索不到用例

--bug=1013939 --user=陈建星 【测试跟踪】测试计划关联功能测试用例，选中版本后再切换其他项目，用例没有显示 https://www.tapd.cn/55049933/s/1178371

frontend/src/business/components/api/automation/scenario/api/RelevanceApiList.vue

@@ -114,6 +114,7 @@ export default {
       this.initTable();
     },
     projectId() {
+      this.condition.versionId = null;
       this.initTable();
     },
     currentVersion() {

frontend/src/business/components/track/plan/view/comonents/api/RelevanceScenarioList.vue

@@ -177,6 +177,7 @@ export default {
       this.search();
     },
     projectId() {
+      this.condition.versionId = null;
       this.search();
     },
   },

frontend/src/business/components/track/plan/view/comonents/functional/FunctionalRelevance.vue

@@ -185,6 +185,7 @@ export default {
     },
     projectId() {
       this.page.condition.projectId = this.projectId;
+      this.page.condition.versionId = null;
       this.getProjectNode();
       this.getTestCases();
       this.getCustomNum();

frontend/src/business/components/track/plan/view/comonents/load/TestCaseLoadRelevance.vue

@@ -186,6 +186,7 @@ export default {
       this.$refs.baseRelevance.open();
     },
     setProject(projectId) {
+      this.condition.versionId = null;
       this.projectId = projectId;
       this.condition.projectId = this.projectId;
       this.getProjectNode();