fix(@angular/cli): do not sort migrations of the same version alphabetically

[alan-agius4]

When executing update migrations, schematics targeting the same version were previously sorted alphabetically by name. This change removes the alphabetical sorting fallback, allowing migrations targeting the same version to preserve their original declaration/discovery order.

[gemini-code-assist]

Code Review

This pull request refactors the migration sorting logic in migration.ts by extracting the inline sorting comparator into a reusable helper function sortMigrations. Note that this change removes the fallback sorting by migration name (a.name.localeCompare(b.name)) when versions are equal, which may affect the execution order of migrations with the same version. No review comments were provided, so there is no additional feedback.

[alan-agius4]

This PR was merged into the repository. The changes were merged into the following branches:

• main: 19c90cb

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