Merge changes I8f78c4c7,Idd5d3e65 into pre-release

* changes:
  amis-saas-6890 [Story] page apiControl面板显示异常
  amis-saas-6890 [Story] 标题提示、控件提示的打开弹窗图标背景问题

packages/amis-editor/src/plugin/Page.tsx

@@ -210,6 +210,7 @@ export class PagePlugin extends BasePlugin {
                   }),
                   getSchemaTpl('apiControl', {
                     name: 'initApi',
+                    mode: 'row',
                     labelClassName: 'none',
                     label: tipedLabel(
                       '初始化接口',

packages/amis-editor/src/renderer/SwitchMoreControl.tsx

@@ -356,7 +356,7 @@ export default class SwitchMore extends React.Component<
     return {
       type: 'input-sub-form',
       btnLabel: '',
-      className: 'inline-block m-0 h-6',
+      className: 'inline-block m-0 h-6 bg-white ',
       itemClassName: 'bg-white hover:bg-white m-0 p-0',
       icon: 'fa fa-cog',
       form: {