fix: discard formatting on paste in Lexical Editor

[Dhruwang]

What does this PR do?

Fixes 1708

Before:

Screen-Recording-2024-03-22-at-12.03.48.PM.mp4

After:

Screen-Recording-2024-03-22-at-12.04.47.PM.mp4

How should this be tested?

Try to paste a formatted text in editor (thank you card, consent, cta)

Checklist

Required

• Filled out the "How to test" section in this PR
• Read How we Code at Formbricks
• Self-reviewed my own code
• Commented on my code in hard-to-understand bits
• Ran pnpm build
• Checked for warnings, there are none
• Removed all console.logs
• Merged the latest changes from main onto my branch with git pull origin main
• My changes don't cause any responsiveness issues

Appreciated

• If a UI change was made: Added a screen recording or screenshots to this PR
• Updated the Formbricks Docs if changes were necessary

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2 Ignored Deployments

Name	Status	Preview	Updated (UTC)
formbricks-cloud	⬜️ Ignored (Inspect)		Mar 22, 2024 6:42am
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[github-actions]

Thank you for following the naming conventions for pull request titles! 🙏

[mattinannt]

@Dhruwang 💪 thanks for adding this fix :-) 🤗