Dev tunnels fails to run when in a dev container

[aaronpowell]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

Insider DevcontainerPortForwardingLifecycleHook we add the allocated endpoint of the resource to the settings file:

_settingsWriter.AddPortForward(
                    endpoint.AllocatedEndpoint!.UriString,
                    endpoint.AllocatedEndpoint!.Port,
                    endpoint.UriScheme,
                    $"{resource.Name}-{endpoint.Name}");

But there is no allocated endpoint:

This causes a null ref exception and the app host fails to start

Expected Behavior

You can use a dev tunnel in a dev container.

Steps To Reproduce

No response

Exceptions (if any)

No response

.NET Version info

No response

Anything else?

No response

[davidfowl]

@aaronpowell Can you test this with the latest main?

[aaronpowell]

latest daily and I can't get aspire to launch at all

[davidfowl]

Success! #11741