Remove confirmation dialogs for bookmark deletion

[pheuberger]

Summary

This PR removes the confirmation dialog flow for deleting bookmarks and replaces it with immediate deletion followed by an undo toast notification. This provides a faster, more streamlined user experience while maintaining the ability to recover deleted bookmarks.

Key Changes

• BookmarkItem.jsx: Removed inline confirmation dialog from the delete button, now directly calls onDelete()
• BookmarkList.jsx:
  • Removed the deleteConfirmBookmark state and associated modal component
  • Removed unused Modal and Button imports
  • Consolidated promptDeleteSelected and confirmDelete into a single deleteSelected function
  • Delete action now immediately removes the bookmark and shows an undo toast instead of prompting the user
  • Updated keyboard shortcut handler to use the new deleteSelected function

Implementation Details

• The undo functionality is preserved through the existing toast notification system, allowing users to recover deleted bookmarks without extra confirmation steps
• This change applies to both the delete button on individual bookmark items and the keyboard shortcut (d key)
• Error handling remains in place for failed deletion operations

https://claude.ai/code/session_01UrVN1JphvhCWWH17fhaGVt

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