feat: implement AdminTopbar and enhance core components for admin layout

[idris999-c]

Pull Request

📄 Summary

This PR implements the AdminTopbar component and enhances 8 core UI components to support the new admin dashboard layout. Key improvements include responsive visibility controls, sticky positioning for layout elements, and accessibility fixes.

Key Contributions:

• Admin Layout: Created AdminTopbar featuring integrated search, notifications, and profile management.
• Enhanced Core Components:
  • Button: Fixed DaisyUI class mapping (input-secondary → btn-secondary) to ensure theme consistency.
  • IconButton: Optimized class derivation and removed redundant CSS definitions.
  • SearchInput: Standardized admin-level search styling and improved responsiveness.
  • Row: Added support for sticky positioning and bottom borders.
  • Col: Implemented hideBelow and hideAbove props for breakpoint control.
  • Avatar: Optimized mask shapes and size scaling for DaisyUI v4.
  • Dropdown: Added triggerClass support for advanced customization.
  • Menu: Implemented title and divider item types for structured navigation.

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🧩 Affected Modules

• Source Code
• Documentation
• CI / Infra

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✅ Checklist

• My branch name follows format: feat/admin-topbar
• My PR title starts with one of the approved types
• My code is formatted according to project standards
• I ran static analysis and resolved relevant warnings
• I ran tests successfully via Storybook verification
• I checked for dependency changes and updated where necessary
• For UI changes, I added/updated Storybook stories
• I ensured this PR has no unrelated changes
• This PR is ready for review

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🔗 Related Issues

Closes #216

[husamettinarabaci]

LGTM