rework non updatable entities

[mshima]

Non updatable entity has only the id which is immutable.

• use persistableEntity to calculate instead of ownerSide
• remove update apis and edit ui for angular

Related to #24885

---

Please make sure the below checklist is followed for Pull Requests.

• All continuous integration tests are green
• Tests are added where necessary
• The JDL part is updated if necessary
• jhipster-online is updated if necessary
• Documentation is added/updated where necessary
• Coding Rules & Commit Guidelines as per our CONTRIBUTING.md document are followed

When you are still working on the PR, consider converting it to Draft (below reviewers) and adding skip-ci label, you can still see CI build result at your branch.