fix(runtime-utils): handle reserved props

[danielroe]

🔗 Linked issue

resolves #684

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This adds additional handling for props, including suppressing vue warnings when props are set initially, and accessing props from renderContext.props when there's a reserved keyword in props.