Submit status gives an incorrect link to submission

[holandes22]

It should link to a URL similar to http://exercism.io/submissions/<someid> but instead shows a link like http://exercism.io/api/v1/user/assignments?<apikey>. Probably taken the incorrect property from the response

Relevant code is at

• https://github.com/exercism/gui/tree/master/app/tracks/track/local-problems/submit
• https://github.com/exercism/gui/blob/master/app/components/submit-status/template.hbs