Move Panel for Klientdelegering from 2.0 to 3.0

Description

Panel for Klientdelegering and Connected views are to be moved from Altinn 2.0 and implementet in 3.0 designsystems and as react komponent in to 3.0 Altinn Authorization

The views are to be implemementet with same view and functionality as before

Data about employees clients and delegated roles will be fetched from the 2.0 plattfrom though a 3.0 API that collects thiis information from Altinn 2.0 via SBL-bridge.

Definisjoner

Klient - kunde hos regnskapsfører/revisor som har registrert knytning i Enhetsregisteret ServiceProvider - regnskapsfører/revisor som er registrert på kunden i Enhetsregisteret Klientadministrator - tilgangsstyringsrolle i Altinn for å kunne administrere tilgang for sine klienter til sine ansatte

In scope

Panel for Klientdelegering: List of employees

List of Clients

Change clients for eployee

Change employee for clients

Add employee Note: we wish to change icon for "ekstern virksomhet" to make it clearer that a enterprice can not be registered as an employee

Out of scope

Page for downlooad/uplod of clientdelegation by file

Additional Information

No response

### Features
- [ ] Klientdelegering | Legg til ny ansatt/person
- [ ] Klientdelegering | Delegere klientroller
- [ ] Klientdelegering | Slette klientdelegering
- [ ] Klientdelegering | Oversikt over klienter
- [ ] Klientdelegering | Oversikt over ansatte
- [ ] Klientdelegering | Klientdelegering på fil-side
- [ ] Klientdelegering | Last ned klientdelegeringsfil
- [ ] Klientdelegering | Last opp klientdelegeringsfil

### Avklaringer
- [ ] 1. Kan dagens format på klientdelegeringsfil videreføres?
- [ ] 2. Opprinnelig plan var å vente med klientedelegering på fil - hvorfor var dette utsatt?

Tasks in 3.0. Top to bottom priority list.

Client delegation accordion content:

[x] Implement react portals
[x] Put together a demo view of klientdelegering
[x] Create local component ListItem - Employees
[ ] Create local component ListItem - Clients | Almost done
[x] TextField - Add left and right icon - https://github.com/Altinn/altinn-design-system/issues/123
[x] Combine all individual components to finish Accordion content Klientdelegering | On hold until this is finished: https://github.com/Altinn/altinn-access-management-frontend/issues/85

"Endre rettigheter"-Page (More tasks will come in future):

[x] Create Page component in design system - https://github.com/Altinn/altinn-design-system/issues/57
[ ] Make inverted buttons that can have icons (The buttons with <- and x). | On hold until team studio has implemented Quiet button.
[x] Create local component for hiding/ showing clients | https://github.com/Altinn/altinn-access-management-frontend/issues/87
[ ] Create Table comoponent that can sort name
[ ] Integrate with backend

"Legge til ny ansatt"-Page | on hold until UX breakdown is done

"Klientdelegering på fil"-Page | on hold until UX breakdown is done -[ ]

Tasks in 2.0 (legg inn lenke til US i https://dev.azure.com/digdir

Altinn / altinn-access-management