test(angular.json): update path to fontawesome in test architecture

[RaschidJFR]

fixes #5773

Please read and mark the following check list before creating a pull request (check one with "x"):

• [x] I read and followed the CONTRIBUTING.md guide.
• [x] I read and followed the New Feature Checklist guide.

Short description of what this resolves:

Angular unit tests were not running as the path to fontawesome module was wrong in angular.json

[RaschidJFR]

Do I need to do anything else to merge this PR? @ehsanmunna @megalexandre