fix: Add i18n support for setting-drawer component

[miantalha45]

Description

 Fixes the issue where the theme settings drawer displayed Chinese text even when the application language was set to English or other languages.

Changes

• Created SettingDrawerI18nDirective to dynamically translate hardcoded Chinese text in the @delon/theme/setting-drawer component
• The directive loads translations from i18n JSON files and replaces text in the DOM
• Added translations for all setting drawer text in all supported languages (en-US, zh-CN, zh-TW, ja-JP, pt-BR)
• Added comprehensive test cases for the directive
• Registered the directive in LayoutModule and applied it to the setting-drawer component

Technical Details

• The @delon/theme/setting-drawer component has hardcoded Chinese text that doesn't support i18n
• Solution uses a custom Angular directive that:
  1. Dynamically loads all translations from i18n JSON files
  2. Builds a reverse mapping (text → translation key)
  3. Replaces text in the DOM when language changes
  4. Handles special cases like the info message that may be split across multiple text nodes

Testing

• Added unit tests for the directive
• Tested manually in the application with all supported languages
• Verified text replacement works correctly for all setting drawer labels

Related Issue

Fixes #4004

[Duansg]

pls check ci

[miantalha45]

@zqr10159 Please have a look into it.

[miantalha45]

@tomsun28 Any update on this PR?