POLIO-1751 embedded pdf translations

[quang-le]

What problem is this PR solving? Explain here in one sentence.

Related JIRA tickets : POLIO-1751

Self proofreading checklist

• Did I use eslint and black formatters
• Is my code clear enough and well documented
• Are my typescript files well typed
• New translations have been added or updated if new strings have been introduced in the frontend
• My migrations file are included
• Are there enough tests
• Documentation has been included (for new feature)

Doc

Tell us where the doc can be found (docs folder, wiki, in the code...).

Changes

Explain the changes that were made.

• Add OffLineLangSwitch that doesn't try to fetch a user

How to test

Explain how to test your PR.

On a polio DB, without logging, go to http://localhost:8081/dashboard/polio/embeddedVaccineRepository/

use the language switch

Print screen / video

Screen.Recording.2024-11-22.at.11.40.03.mov

Notes

Can be Hotfixed on v1.248b-polio

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fix: empty instance pop up

Refs: IA-3665

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[beygorghor]

⚠️ You have changes form #1819