[Feature] Advanced duplicate resolution options to prevent mobile re-upload loops

I have searched the existing feature requests, both open and closed, to make sure this is not a duplicate request. • Yes The feature Describe the feature you'd like When a user imports an external library (e.g., old phone backups or a family archive) and then connects a mobile device via the Immich app, it often generates a massive amount of duplicates. Currently, Immich's duplicate mechanism operates on a quality-first basis. I would like to request more granular logic/options for handling these duplicates automatically during or after the import process. Specifically, adding the following logic options in the duplicate/import settings: 1. Keep highest quality (Default/Current behavior). 2. Prioritize Mobile Upload / Prefer Mobile Asset: Automatically resolve duplicates by keeping the version uploaded by the mobile app and removing/hiding the duplicate originating from the external/imported library. Describe the injury or frustration this causes W…