Please check if the PR fulfills these requirements
[x] The commit message follows our [guidelines](https://github.com/Alfresco/alfresco-js-api/wiki/Commit-format)
[ ] Tests for the changes have been added (for bug fixes / features)
[ ] Docs have been added / updated (for bug fixes / features)
What kind of change does this PR introduce? (check one with "x")
[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] Documentation
[ ] Other... Please describe:
What is the current behavior? (You can also link to an open issue here)
What is the new behavior?
migrate project to Nx 17
switch to ng-packagr for bundle generation
improved setup of mocha for testing
cleanup unused or obsolete files
Does this PR introduce a breaking change? (check one with "x")
[x] Yes
[ ] No
If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...
Please check if the PR fulfills these requirements
What kind of change does this PR introduce? (check one with "x")
What is the current behavior? (You can also link to an open issue here)
What is the new behavior?
Does this PR introduce a breaking change? (check one with "x")
If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...
Other information: https://alfresco.atlassian.net/browse/ACS-6231