feat: Added a not-connected state to the survey state indicator

[prasoonmhwr]

What does this PR do?

• Added a not-connected state to the survey state indicator

Fixes #972

Type of change

• Enhancement (small improvements)
• New feature (non-breaking change which adds functionality)

How to test

• Create an in-app survey without connecting to Formbricks

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

[vercel]

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[github-actions]

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

[jobenjada]

@prasoonmhwr is this ready for review?

[prasoonmhwr]

@jobenjada this is ready for review

[jobenjada]

Good work, thank you! :)