SDMX 3.0 sometimes returns name/description as a language-keyed
object ({ en: "World Economic Outlook" }); older payloads return a
raw string. Prefer English, fall back to the first available value.
Parameters
raw: string|Record<string,string>|undefined
Raw label value from SDMX API response.
Returns string
Plain string, or empty string when raw is empty/undefined.
Unwrap SDMX localised labels to a plain string.
SDMX 3.0 sometimes returns
name/descriptionas a language-keyed object ({ en: "World Economic Outlook" }); older payloads return a raw string. Prefer English, fall back to the first available value.