## Description
Metadata maps may now be nested multiple layers deep. Frontend display needs to handle nested maps, including i18n of nested keys.
**Desired behavior/Acceptance criteria**
[ ] nested metadata map keys can be internationalized
[ ] nested metadata maps can be displayed
**Design**
See Metadata front-end design challenges in [[ https://docs.google.com/document/d/1-NW5p75F6OpAaa4SOzCURfPCRYxXdmg8/edit#bookmark=id.17dp8vu | nested metadata design doc ]], and [[ https://www.figma.com/design/wNUyNgku0XuYIZAQ95vn1L/T363396-Nested-function-call(s)-metadata?node-id=9%3A9453&t=AUySVOlgis1T7GQG-1 | Figma file ]] for the design specs.
## Completion checklist
* [ ] Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Front-end_Task/Bug_Completion_Checklist