fix(测试跟踪): 测试计划关联功能用例，修改每页显示数量，多次关联会重复关联用例

--bug=1032462 --user=陈建星 【测试跟踪】github#27277，高级搜索后再添加关联用例，发现有重复 https://www.tapd.cn/55049933/s/1435602

framework/sdk-parent/frontend/src/components/pagination/TablePagination.vue

@@ -44,11 +44,11 @@ export default {
   methods: {
     handleSizeChange: function (size) {
       this.$emit('update:pageSize', size)
-      this.change();
+      this.change('size');
     },
     handleCurrentChange(current) {
       this.$emit('update:currentPage', current)
-      this.change();
+      this.change('current');
     }
   }
 }

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

@@ -285,8 +285,8 @@ export default {
         this.getTableData();
       }
     },
-    pageChange() {
+    pageChange(type) {
-      this.getTestCases("page")
+      this.getTestCases(type === 'current' ? "page" : null)
     },
     saveCaseRelevance(item) {
       this.isSaving = true;