WC2-868-limit-debug-page-per-country

[edil3ra]

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

Related JIRA tickets : IA-XXX, WC2-XXX, POLIO-XXX

Self proofreading checklist

• Did I use eslint and ruff 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...).

How to test

connect to an account that don't have access to entity 1
go to: http://localhost:8081/wfp/debug/1/
you should see a 403

fix: empty instance pop up

Refs: IA-3665

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