feat: fixup migration visiblity for ordering

[zinic]

Description

Fixups for migration visibility to allow for conditional ordering of migration application.

Motivation and Context

To enable better migration logic elsewhere in the application.

How Has This Been Tested?

Local testing.

Types of changes

• Chore (a change that does not modify the application functionality)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Documentation updates are needed, and have been made accordingly.
• I have added and/or updated tests to cover my changes.
• All new and existing tests passed.
• My changes include a database migration.

[sircodemane]

i'm a little fuzzy on the default graph setting vs asserting schema logic, but it sniffs good (pending one comment)