fix: show confirmation popup for delete shortcut and add toast

[JeevaRamanathan]

Fixes #99

• Refactors delete shortcut (Ctrl/Cmd+D) to show a confirmation dialog before deleting a note, matching the UI behavior of the delete button.
• Adds toast notifications for note duplication and deletion, including the note title for clarity.

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[JeevaRamanathan]

Hi @DhanushNehru, could you please review this PR when you get a chance

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Project	Deployment	Preview	Comments	Updated (UTC)
scratchpad-scribe	Ready	Preview	Comment	Oct 31, 2025 2:42pm

[Copilot]

Pull Request Overview

This PR adds a confirmation dialog for note deletion with enhanced user feedback. The changes ensure users confirm before deleting notes and provide clear feedback about which notes are being deleted or duplicated.

Key changes:

• Added confirmation dialog with note title display for delete operations triggered via keyboard shortcut
• Enhanced toast notifications to show the specific note title when deleting or duplicating notes
• Updated existing delete confirmation dialogs in NoteCard and NoteEditor to display the note title

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
src/pages/Index.tsx	Added delete confirmation dialog for keyboard shortcut deletion, implemented pendingDeleteId state management, and enhanced toast notifications with note titles
src/components/NoteEditor.tsx	Updated delete confirmation dialog to display the note title being deleted
src/components/NoteCard.tsx	Updated delete confirmation dialog to display the note title being deleted

Comments suppressed due to low confidence (1)

src/pages/Index.tsx:1

• There are two consecutive question marks. The first '?' at the end of 'this note' should be removed since there's already a question mark after the closing span tag.

import { useState, useEffect, useCallback } from "react";

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[JeevaRamanathan]

Hi @DhanushNehru, updated as per copilot suggestion and fixed the conflicts