config-provider无法包裹在模块框外面，导致配置的主题在modal里不生效

## **Describe the bug (required)** / **详细描述 bug（必填）**

A clear and concise description of what the bug is. / 请提供清晰且精确的 bug 描述

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## **To Reproduce (required)** / **如何复现 bug？（必填，非常重要）**

Steps to reproduce the behavior: / 详细复现步骤：

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English version example：
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

中文版示例：
1. 打开 [demo](http://lowcode-engine.cn/demo)；
2. 点击标题；
3. 在右侧修改标题内容为「修改后的标题」；
4. 渲染画布标题组件没有更新显示为「修改后的标题」；

## **Expected behavior (required)** / **预期行为（必填，非常重要）**
A clear and concise description of what did you expect to happen. / 请清晰和精确的描述你预期的行为

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## **Screenshots (optional)** / **bug 截图（可选）**
Sceenshots for further information. (If applicable.) / 一些有用的截图将会帮助我们更好的明确以及定位问题

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## **Environments (please complete the following information) (required):** / **请提供如下信息（必填）**
- AliLowCodeEngine version: [e.g. 1.0.0] / 低代码引擎版本
- AliLowCodeEngineExt version: [e.g. 1.0.0] / 低代码引擎扩展包版本
- Browser [e.g. chrome, safari] / 浏览器版本
- materials / plugins / tools / 其他物料 / 插件 / 工具链版本

> (this information can be collected via [the manual plugin](https://img.alicdn.com/imgextra/i1/O1CN0115zonY1IsgbkZ2ir7_!!6000000000949-2-tps-3066-1650.png) / 版本信息可[通过低代码用户手册插件收集](https://img.alicdn.com/imgextra/i1/O1CN0115zonY1IsgbkZ2ir7_!!6000000000949-2-tps-3066-1650.png))

## **Additional context (optional)** / **更多额外信息（可选）**
Any other context of the problem here. / 可以追加更多的额外信息，帮助定位问题

Start by investigating the ConfigProvider and modal behavior described in the issue title and compare it with the attached screenshot. Reproduce the case where ConfigProvider is outside the module boundary, then verify that the configured theme takes effect inside the modal; the issue does not name files, tests, versions, or reproduction steps.

Written by the indexing model from the issue text.