Support es_SV (El Salvador) locale in PersonSampler / managed datasets

[Japulgarin]

Priority Level

High (Major improvement)

Is your feature request related to a problem? Please describe.

The El Salvador persona dataset is already available, so it would be useful if es_SV could also be supported by the managed person sampler.

Describe the solution you'd like

Support es_SV could also be supported by the managed person sampler.

Describe alternatives you've considered

No response

Agent Investigation

No response

Additional context

No response

Checklist

• I've reviewed existing issues and the documentation
• This is a design proposal, not a "please build this" request