fix: check for the identifier alias for the storage backend

[jvillafanez]

Description

Prevent local storage to be used as external if it isn't explicitly allowed.

Related Issue

• Fixes <issue_link>

Motivation and Context

How Has This Been Tested?

• test environment:
• test case 1:
• test case 2:
• ...

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:
• Changelog item, see TEMPLATE

Notes:

This is likely the minimum change possible at the moment. There are no plans to add or modify the backend's aliases
or identifiers at the moment, but it could become unmanageable quickly.
We should consider to move and improve the check at some point.

[update-docs]

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would create a changelog item based on your changes.

[DeepDiver1975]

• can you add unit tests?
• please add changelog items