fix(测试跟踪): 测试计划关联功能用例，切换页码会导致重复关联用例

--bug=1033196 --user=陈建星 【测试跟踪】github#27681，测试计划关联功能用例，页码选择50/页，切换页多次关联功能用例，会导致用例重复关联 https://www.tapd.cn/55049933/s/1444975

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

@@ -287,6 +287,9 @@ export default {
         this.getTableData();
       }
     },
+    resetPageRefresh() {
+      this.pageRefresh = false;
+    },
     pageSizeChange() {
       this.getTestCases()
     },

test-track/frontend/src/business/plan/view/comonents/functional/TestPlanFunctionalRelevance.vue

@@ -64,6 +64,7 @@ export default {
             vueObj.isSaving = false;
             this.$success(this.$t("plan.relevance_case_success"));
             vueObj.setSelectCounts(0);
+            this.$refs.functionalRelevance.resetPageRefresh();
             this.$emit('refresh');
             this.$refs.functionalRelevance.getProjectNodeForce();
           }).catch((error) => {