fix: email url encoding in invite link

[gupta-piyush19]

What does this PR do?

fixes: Invite can't handle + sign in emails

Fixes https://github.com/formbricks/internal/issues/225

How should this be tested?

• Test A
• Test B

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
• [ ] First PR at Formbricks? Please sign the CLA! Without it we wont be able to merge it 🙏

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 | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **formbricks-cloud** | ⬜️ Ignored ([Inspect](https://vercel.com/formbricks/formbricks-cloud/7qZkecLatxe9FZa2jTkkiuoV3bXa)) | | | Jun 11, 2024 9:31am | | **formbricks-docs** | ⬜️ Ignored ([Inspect](https://vercel.com/formbricks/formbricks-docs/EqrMZMci6QfL7db47wiCemUn4i8v)) | | | Jun 11, 2024 9:31am |

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