Fix drag-to-reorder not saving when using tabledrag.

Re-sort the submitted entity IDs by the tabledrag weight inputs before massaging them into field values. Drupal's AJAX submit path can bypass the JS hidden-field sync, so the weight inputs are the authoritative source for row order after a drag operation.

Issue: https://www.drupal.org/project/inline_entity_form_dialog/issues/3610789

Closes #3610789

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