perf(computed): unified decorator computed to replace the old sandwich decorators (computedField, relation) by a single resolver

[Thenkei]

Definition of Done

General

• Write an explicit title for the Pull Request, following Conventional Commits specification
• Test manually the implemented changes
• Validate the code quality (indentation, syntax, style, simplicity, readability)

Security

• Consider the security impact of the changes made

[Thenkei]

This is an old PR that explore the replacement of the old sandwich decorators (that is limited in it's resolution capabilities) to a newer without those limitation.

⚠️ We stoped this research since we are not sure to wanted to open the gate for infinite computed loops (computed relation from a computed field on a computed relation from a .....).