updated_with_theme_checking_and_switching

[Kron1749]

Description

• What does this PR do?

  • A brief explanation of the change, its purpose, and how it impacts the codebase.

• Why is this change needed?

  • Describe the problem the PR solves or the feature it adds.

Type of change

• Bug fix
• New feature
• Refactor (cleaning up code without changing functionality)
• Documentation update
• Tests
• Other (describe below):

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Checklist

• Code adheres to coding guidelines and standards.
• Linting and formatting checks have passed, no local issues.
• Existing tests pass successfully, no local errors.
• Pull request is linked to a relevant issue or task.
• Tests are written for new features or fixes.
• Documentation has been updated (if applicable).

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Related Issue/Task

• Issue/Task link: [Detect system theme]

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Testing

• How has this been tested?
  • Tested on PC(Windows)
  • Tested on Mobile phone(android ) in browser
  • Tested in tg mini app with "Auto-Night Mode" in "System Default"
  • Tested in tg mini app with "Switch to Night/Day Mode"

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Additional Notes

Enviroment https://exchange-1573.dev.sora2.tachi.soramitsu.co.jp/#/swap

Tg Bot - https://t.me/chagneTheme_bot/app

• To test in TG Mini App need to:

1. Go to settings
2. Open Chat Settings
3. Turn "Switch to Night/Day Mode" or test with "Auto-Night Mode" with "System Default"

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Reviewer Tasks

• Review logic for correctness and clarity.
• Verify that the code is following best practices.
• Test or review related areas if this PR affects other projects.