[Feature] Improve Trash Visibility for External Library Items Deleted Due to Missing Files

I have searched the existing feature requests, both open and closed, to make sure this is not a duplicate request. • Yes The feature Problem When using External Libraries in Immich, items are moved to the Trash not only when a user intentionally deletes them, but also when Immich can no longer find the underlying file on disk. A common example is when reorganizing folders within an External Library. If a photo is moved from one folder to another, the old entry is placed in the Trash. The current behavior is technically correct, but from a user perspective it can be confusing. When browsing the Trash, both intentionally deleted items in Immich and items that are only moved (ord deleted externaly) appear identical. It is possible to determine the reason by opening an item and reading the message: "This external library asset no longer exists on disk and has been moved to the trash..." However, this information is only visible after opening the asset,…