- Removed HTTPS protocol check in `registerMagnetHandler()`. Now using `this.canRegisterMagnetHandler = !!(window.isSecureContext && 'registerProtocolHandler' in navigator);` to determine support for protocol handler registration in a secure context.
- Updated the registration button and help text to respond dynamically based on `canRegisterMagnetHandler` and provide better user experience and messaging when unsupported.
- Wrapped `navigator.registerProtocolHandler()` in a try catch block to handle registration failures gracefully and avoid unhandled exceptions.
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