Add feature to edit slug for location, provider, and group

[saewitz]

Today to edit the slug you need to make an API call manually to zapehr, there is no UI to do it on the EHR side. Add a form to edit it.

[rzinger]

I tested, was able to edit all, including slugs, works as expected

[rzinger]

@GiladSchneider @saewitz closing post testing