EnterpriseUser manager should be a ComplexAttribute, not a MultiValuedComplexAttribute

[verbitan]

EnterpriseUser defines the manager attribute as a MultiValuedComplexAttribute.

https://github.com/yaal-coop/scim2-models/blob/0.1.14/scim2_models/rfc7643/enterprise_user.py#L15

class Manager(MultiValuedComplexAttribute):
    value: Annotated[Optional[str], Required.true] = None
    """The id of the SCIM resource representing the User's manager."""

    ref: Annotated[Optional[Reference[ForwardRef("User")]], Required.true] = Field(
        None,
        serialization_alias="$ref",
    )
    """The URI of the SCIM resource representing the User's manager."""

    display_name: Annotated[Optional[str], Mutability.read_only] = None
    """The displayName of the User's manager."""

I believe this to be incorrect, and instead it should be a ComplexAttribute as per RFC7643 Section 4.3.

manager The user's manager. A complex type that optionally allows service providers to represent organizational hierarchy by referencing the "id" attribute of another User.

This is further backed up by the /ResourceType example in RFC7643 Section 8.7.1.

... { "name" : "manager", "type" : "complex", "multiValued" : false, "description" : "The User's manager. A complex type that optionally allows service providers to represent organizational hierarchy by referencing the 'id' attribute of another User.", "required" : false, ...

[azmeuk]

Good catch. Thank you!