Develope helper methods for enkeltrettighetersdelegering functionality in playwright

[acn-Sneha]

Description

This issue created to develope helper methods in playwright for single right delegations functionality

Tasks

• [x] Helper method for delegating resources to user
• [x] Helper methos for delegating roles to SSN and Org
• [x] Helper method for adding different resources
• [x] Helper method for verifying added resources shown under "Andre med rettigheter"
• [x] Helper method for verifying added resources shown under "Skjema og tjenester du har rettigheter til"
• [x] Helper method for verifying added resources shown under "Rettigheter du har hos andre"