task: #3605702 Remove inherited implementation names from Default Admin

Jürgen Haasrequested to merge
issue/drupal-3605702:3605702-remove-remaining-gin into main

Closes #3605702

Renames inherited Gin and Claro implementation identifiers in Default Admin. Keeps compatibility for persisted settings, browser storage, and drupalSettings. Adds an allowlist and regression tests for retained references.

Local static checks passed. Full Drupal checks will run in the upstream pipeline.

AI-Generated: Yes (Used an LLM to audit inherited identifiers, implement compatibility handling, and add tests.)

Generated with the help of an LLM.

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