fix(测试用例): 场景列表表头字段修改

--bug=1042740 --user=王旭 【测试计划】场景用例列表-表头字段展示和需求不符 https://www.tapd.cn/55049933/s/1534611

frontend/src/views/test-plan/testPlan/detail/apiScenario/components/scenarioTable.vue

@@ -188,7 +188,7 @@
       columnSelectorDisabled: true,
     },
     {
-      title: 'case.caseName',
+      title: 'apiScenario.table.columns.name',
       dataIndex: 'name',
       sortable: {
         sortDirections: ['ascend', 'descend'],
@@ -206,7 +206,7 @@
       showDrag: true,
     },
     {
-      title: 'case.caseLevel',
+      title: 'apiScenario.table.columns.level',
       dataIndex: 'priority',
       slotName: 'caseLevel',
       filterConfig: {