Changes

[Type] RGBAColor: remove inheritance from type::fixed_array and use std::array to store its components (#4263)

* rgbacolor: remove inheritance from fixed_array and use std::array composition

* fix datatype info for rgbacolor

* add deprecation macro and polish

* fix sofacuda

* update tests

* use sofa size

* Apply suggestions from code review (use static field and explicit keyword)

Co-authored-by: Alex Bilger <alxbilger@users.noreply.github.com>

* fix and fwd fixed_array in rgbacolor header

* Update Sofa/framework/Type/src/sofa/type/config.h.in (change date)

Co-authored-by: Hugo <hugo.talbot@sofa-framework.org>

* use functions from fixed_array_algo

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Co-authored-by: Alex Bilger <alxbilger@users.noreply.github.com>
Co-authored-by: Hugo <hugo.talbot@sofa-framework.org>
Co-authored-by: Paul Baksic <30337881+bakpaul@users.noreply.github.com>