Model level scope: include is not supported in LB4

Personne n'a encore pris cette issue.

### Describe the bug

In Loopback 3 it was possible to add a scope and include in model annotations on a model class :

`@model({
settings: {
strict: false,
scope: {
include: [
{relation: 'posts'}
]
}
})
`
If you do the same in LB4 an error is thrown that the relation cannot be found as loopback-datasource-juggler does not support LB4 includes.

I have made changes to support model level includes here:

https://github.com/SilexConsulting/loopback-next/tree/support-default-scope-include

I need some help to get this ready to submit a pull request.

### Logs

_No response_

### Additional information

_No response_

### Reproduction

https://github.com/SilexConsulting/loopback-next/tree/support-default-scope-include

Commencez par examiner la branche support-default-scope-include et sa reproduction dans le dépôt LoopBack 4 lié, en vous concentrant sur les annotations de modèle et la gestion des includes par loopback-datasource-juggler. Confirmez que le scope include au niveau du modèle ne déclenche plus d’erreur relation-not-found et que le comportement reproduit fonctionne comme prévu.

Rédigé par le modèle d'indexation à partir du texte de l'issue.