fix(ecs): add fragment and instance back to container props

[roleyfoley]

Description

Minor regression fix to align the changes in #1388 with the changes added in #1396

Motivation and Context

New attributes added in one PR that wern't covered in a PR to move the container configuration to a new location

How Has This Been Tested?

Tested locally

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Refactor (non-breaking change which improves the structure or operation of the implementation)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Followup Actions

• None

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• None of the above.