fix: display authenticated user email in profile dropdown

[kRyxar87t]

📌 Related Issue

Fixes #385

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Description of Changes

Fixed the profile dropdown email display issue.

Changes made:

• Removed the hardcoded email@example.com fallback value
• Updated profile dropdown to display authenticated user's email dynamically
• Added a proper fallback message when user email data is unavailable

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Type of Change

• 🐛 Bug Fix
• 🔧 Feature Modification
• ✨ New Feature
• 🧹 Maintenance / Cleanup / Documentation Update
• 🎨 UI/UX or Design Update
• 📘 Resource / Content Addition
• Other

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Testing

• Tested locally
• No tests required

Verified:

• Profile dropdown uses authenticated user email
• Fallback state works when email data is unavailable

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📸 Screenshots / Video

Not required. Logic-only UI data fix.

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✅ Checklist

• I’ve read the CONTRIBUTING.md guidelines.
• My code follows the project’s conventions.
• I’ve linked the related issue correctly.
• I’ve tested my changes locally.
• I’ve added or updated documentation/comments if needed.
• My PR title follows the branch & commit naming conventions.
• My changes introduce no new warnings or errors.
• I’ve performed a self-review of my work.

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💬 Additional Notes (Optional)

This update improves user account accuracy by preventing placeholder email information from being displayed.

[vercel]

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[github-actions]

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