fix(测试跟踪): 测试计划按钮重叠样式处理

--bug=1027273 --user=王旭 【测试跟踪】测试计划-操作-执行和复制按钮重叠了 https://www.tapd.cn/55049933/s/1385561

test-track/frontend/src/business/plan/components/TestPlanList.vue

@@ -330,7 +330,6 @@
           @exec="handleEdit(scope.row)"
           v-permission="['PROJECT_TRACK_PLAN:READ+EDIT']"
           :disabled="scope.row.status === 'Archived'"
-          style="margin-right: 10px"
         />
       </template>
       <template v-slot:opt-behind="scope">
@@ -1222,4 +1221,8 @@ export default {
 .scenario-ext-btn {
   margin-left: 10px;
 }
+
+.table-card :deep(.operator-btn-group ) {
+  margin-left: 10px;
+}
 </style>