feat: add httpClient parameter to WebSocket class

[edkennard]

Status

READY

Description

Consuming code can now pass in a predefined HttpClient, allowing for customisations such as a SecurityContext with an mTLS client certificate and password.

Type of Change

• [x] ✨ New feature (non-breaking change which adds functionality)
• [ ] 🛠️ Bug fix (non-breaking change which fixes an issue)
• [ ] ❌ Breaking change (fix or feature that would cause existing functionality to change)
• [ ] 🧹 Code refactor
• [ ] ✅ Build configuration change
• [ ] 📝 Documentation
• [ ] 🗑️ Chore

[felangel]

Closing for now since this change brakes the web platform.