Xiaomi Home Assistant Brightness Display Issue

## Introduction
The Xiaomi Home Assistant has been reported to display incorrect brightness levels for certain devices. This issue has been observed in devices such as the 米家 LED 筒灯蓝牙 MESH 版 (yeelink.light.light3) and 米家 LED 灯泡蓝牙 MESH 版 (yeelink.light.mbulb3).

## Problem Description
The brightness levels displayed in the Home Assistant are lower than those displayed in the 米家 app. This issue occurs when the brightness is set to any level other than 100%. The correct brightness level is displayed only when the brightness is set to 100%.

## Reproduction Steps
To reproduce this issue, follow these steps:
1. Ensure that the device is connected to the Home Assistant.
2. Adjust the brightness of the device using either the Home Assistant or the 米家 app.
3. Observe the brightness level displayed in the Home Assistant.

## Expected Behavior
The expected behavior is for the Home Assistant to always display the correct brightness level of the device.

## Reproduction Time
This issue was first observed on 2025-2-16 23:00:00.

## Home Assistant Logs
Unfortunately, the Home Assistant logs are not available for this issue.

## Log Timezone
The log timezone is set to Asia/Shanghai.

## Home Assistant Core Version
The Home Assistant core version is 2025.1.1.

## Home Assistant Operation System Version
The Home Assistant operation system version is 2025.1.1.

## Xiaomi Home Integration Version
The Xiaomi Home integration version is v0.1.5b2.

## Additional Context
There is no additional context available for this issue.

## Images
[Image 1](https://github.com/user-attachments/assets/4bda0d79-c613-411a-8361-7f9d776ce62e)
[Image 2](https://github.com/user-attachments/assets/760eaf74-6b1f-477f-949a-bc45bd98c3df)

## Conclusion
In conclusion, the Xiaomi Home Assistant is experiencing an issue with displaying incorrect brightness levels for certain devices. This issue can be reproduced by following the steps outlined above. The expected behavior is for the Home Assistant to always display the correct brightness level. Further investigation is needed to determine the cause of this issue and to develop a solution.