fix: use toUtf8() instead of toLatin1() for tr() calls

[wyu71]

Fix Chinese character corruption in translation lookup by using UTF-8 encoding instead of Latin-1 which cannot handle non-ASCII chars.

修复翻译查找中因Latin-1编码导致中文字符变为问号的问题，改用UTF-8编码。

Log: 修复中文界面下处理器表头显示问号的问题
PMS: BUG-351713
Influence: 修复translateStr()和getTableHeader()两处toLatin1()调用， 确保中文等非ASCII字符在翻译查找时正确保留，影响所有设备信息的中文显示。

Summary by Sourcery

Bug Fixes:

• Fix corruption of non-ASCII characters (e.g. Chinese) in device info translations by using UTF-8-encoded keys for tr() lookups.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Replaces Latin-1 based translation lookups with UTF-8 to correctly handle non-ASCII (e.g., Chinese) characters in device info translations, specifically in generic translation helper and table header translation.

Sequence diagram for UTF-8 based translation lookup in table headers

sequenceDiagram
    actor User
    participant DeviceManagerUI
    participant DeviceBaseInfo
    participant QtTranslator

    User->>DeviceManagerUI: open device list view
    DeviceManagerUI->>DeviceBaseInfo: getTableHeader()
    loop for each item in m_TableHeader
        DeviceBaseInfo->>DeviceBaseInfo: item.toUtf8()
        DeviceBaseInfo->>QtTranslator: tr(utf8Bytes)
        QtTranslator-->>DeviceBaseInfo: translatedString or empty
        alt translation found
            DeviceBaseInfo->>DeviceBaseInfo: m_TableHeaderTr.append(translatedString)
        else translation missing
            DeviceBaseInfo->>DeviceBaseInfo: m_TableHeaderTr.append(item)
        end
    end
    DeviceBaseInfo-->>DeviceManagerUI: m_TableHeaderTr
    DeviceManagerUI-->>User: show correct non ASCII headers

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Updated class diagram for DeviceBaseInfo translation methods

classDiagram
    class DeviceBaseInfo {
        +QString translateStr(QString inStr)
        +QString nameTr()
        +QStringList getTableHeader()
    }

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File-Level Changes

Change	Details	Files
Switch translation helper function and table header translation from Latin-1 to UTF-8 encoded keys to avoid corruption of non-ASCII characters.	Update translateStr() to pass UTF-8 encoded strings into tr() instead of Latin-1. Update getTableHeader() to derive translation keys from UTF-8 encoded header strings instead of Latin-1. Preserve fallback behavior when translations are missing, now with correct handling of non-ASCII characters.	deepin-devicemanager/src/DeviceManager/DeviceInfo.cpp

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[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: lzwind, wyu71

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