fix(examples): use correct props for floating connection line

[bcakmakoglu]

What's changed?

• Connection line props were renamed but example uses the old prop names

[netlify[bot]]

✅ Deploy Preview for react-flow ready!

Name	Link
🔨 Latest commit	8c7aa6a927c1e1c23be4d2e5f728aa302f420ecb
🔍 Latest deploy log	https://app.netlify.com/sites/react-flow/deploys/6474bac2abf7d3000749cc56
😎 Deploy Preview	https://deploy-preview-118--react-flow.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[moklick]

@bcakmakoglu thanks!