feat(admin): it's possible to load the modifications dump created for #168

Description

Une tentative pour corriger le bug #169 mais sans succès, ça ne s'est pas reproduit.

Issues : #168 (closed)

Documentation

• Upgrade the version
• Add entry to the changelog
• Update documentation if needed

Generator

• New or updated files?

Checklist before merge :

• No remaining console.log
• Version changed if new feature
• Lint ok
• all eslintConfig rules are on ("2") (except no-useless-escape / vue/no-mutating-props)

Tests

• Admin tests ok ?
• Add new unit test