pinakes-core: file management improvements; in-datatbase storage cleanup

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ic186f9bf08683a14562bbe43743c04706a6a6964

crates/pinakes-core/src/import.rs

@@ -203,6 +203,9 @@ pub async fn import_file_with_options(
 
         created_at: now,
         updated_at: now,
+
+        // New items are not deleted
+        deleted_at: None,
     };
 
     storage.insert_media(&item).await?;