fix: fix the problem of losing Bluetooth status connection command

Walkthrough

此次更改主要涉及三个文件。core/embed/trezorhal/usart.c 中的 ble_usart_init 函数添加了两个新的函数调用，以启用 UART 的 FIFO 模式并设置接收 FIFO 阈值。core/src/apps/base.py 文件集成了来自 trezor 包的 uart 模块，更新了多个功能以支持蓝牙特性。最后，core/src/trezor/uart.py 文件新增了一个获取蓝牙连接状态的函数，同时修正了一个缩进问题。

Changes

文件路径	更改摘要
core/embed/trezorhal/usart.c	修改 `ble_usart_init` 函数，添加 `HAL_UARTEx_EnableFifoMode(huart)` 和 `HAL_UARTEx_SetRxFifoThreshold(huart, UART_RXFIFO_THRESHOLD_1_8)`。
core/src/apps/base.py	添加 `from trezor import uart` 导入，更新 `set_homescreen`、`store_ble_name`、`get_features` 和 `get_onekey_features` 函数以使用 `uart` 模块。
core/src/trezor/uart.py	新增 `get_ble_con_status()` 函数以获取蓝牙连接状态，修正 `is_ble_opened()` 函数的缩进。
.github/workflows/prebuild.yml	在 `style-check`、`defs-check` 和 `gen-check` 作业中添加 `install_url` 参数以指定 Nix 版本。

Sequence Diagram(s)

sequenceDiagram
    participant App as 应用程序
    participant UART as UART模块
    participant Trezor as Trezor模块

    App->>UART: 调用 uart.get_ble_name()
    UART-->>App: 返回蓝牙名称

    App->>UART: 调用 uart.get_ble_version()
    UART-->>App: 返回蓝牙版本

    App->>UART: 调用 uart.get_ble_con_status()
    UART-->>App: 返回蓝牙连接状态

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OneKeyHQ / firmware