Enumerations are traslated to C++ signed integer enumeration [21200]

[richiware]

Description

An IDL enumeration will be translated to a C++ signed integer enumeration.

enum class MyEnum : int32_t
{
}

Contributor Checklist

• Commit messages follow the project guidelines.
• Tests that thoroughly check the new feature have been added/Regression tests checking the bug and its fix have been added; the added tests pass locally
• New feature has been documented/Current behavior is correctly described in the documentation.
  • Related documentation PR: Enumerations are traslated to C++ signed integer enumerations [21215] Fast-DDS-docs#821
• N/A Applicable backports have been included in the description.

Reviewer Checklist

• The PR has a milestone assigned.
• The title and description correctly express the PR's purpose.
• Check contributor checklist is correct.
• Check CI results: changes do not issue any warning.
• Check CI results: failing tests are unrelated with the changes.

[LuciaEchevarria99]

LGTM