Support for notification orders requiring organization lookup

[acn-sbuad]

Description

• Organisation -> Organization
• Possible to post order with organization number
• Implemented lookup of contact points for org on order placement and notification generation
• Logic for validating and manipulating mobile numbers moved to core

Related Issue(s)

• Add logic for generating notifications based on organisation number #456

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)
• All tests run green

Documentation

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

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud