feat(resource-adm): add temp icons for access packages

[mgunnerud]

Description

Add correct icons for access packages. These icon files are temporary checked in; later these icons will be loaded from the access package metadata API.

Related Issue(s)

• Support access packages in policy editor (v1) #13686 (part 2)

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)

Documentation

• User documentation is updated with a separate linked PR in altinn-studio-docs. (if applicable)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.60%. Comparing base (e49c545) to head (120c710).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #14347   +/-   ##
=======================================
  Coverage   95.60%   95.60%           
=======================================
  Files        1858     1859    +1     
  Lines       24048    24070   +22     
  Branches     2773     2774    +1     
=======================================
+ Hits        22990    23012   +22     
  Misses        800      800           
  Partials      258      258           

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