Fix the live reload behavior of classic ember apps when editing the CSS for a corresponding gjs and gts file

[NullVoxPopuli]

Previously, when saving a CSS, you'd get this error:

Build Error (ScopedFilter) in classic-app/components/show-time.css

Cannot set properties of undefined (setting 'loc')

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: cb54e6d8e045cb7b8049a47e1bff04e2264c1ced

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ---------------- | ----- | | ember-scoped-css | Patch |

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