feat: add cloud id during native sync

# Conflicts:
#	mobile/lib/platform/native_sync_api.g.dart

mobile/ios/Runner/Sync/Messages.g.swift

@@ -324,6 +324,7 @@ protocol NativeSyncApi {
   func getAssetsCountSince(albumId: String, timestamp: Int64) throws -> Int64
   func getAssetsForAlbum(albumId: String, updatedTimeCond: Int64?) throws -> [PlatformAsset]
   func hashPaths(paths: [String]) throws -> [FlutterStandardTypedData?]
+  func getCloudIdForAssetIds(assetIds: [String]) throws -> [String: String?]
 }
 
 /// Generated setup class from Pigeon to handle messages through the `binaryMessenger`.
@@ -476,5 +477,20 @@ class NativeSyncApiSetup {
     } else {
       hashPathsChannel.setMessageHandler(nil)
     }
+    let getCloudIdForAssetIdsChannel = FlutterBasicMessageChannel(name: "dev.flutter.pigeon.immich_mobile.NativeSyncApi.getCloudIdForAssetIds\(channelSuffix)", binaryMessenger: binaryMessenger, codec: codec)
+    if let api = api {
+      getCloudIdForAssetIdsChannel.setMessageHandler { message, reply in
+        let args = message as! [Any?]
+        let assetIdsArg = args[0] as! [String]
+        do {
+          let result = try api.getCloudIdForAssetIds(assetIds: assetIdsArg)
+          reply(wrapResult(result))
+        } catch {
+          reply(wrapError(error))
+        }
+      }
+    } else {
+      getCloudIdForAssetIdsChannel.setMessageHandler(nil)
+    }
   }
 }

mobile/ios/Runner/Sync/MessagesImpl.swift

@@ -286,4 +286,20 @@ class NativeSyncApiImpl: NativeSyncApi {
           return FlutterStandardTypedData(bytes: Data(digest))
       }
   }
+  
+  func getCloudIdForAssetIds(assetIds: [String]) throws -> [String : String?] {
+    guard #available(iOS 16, *) else {
+      return Dictionary(
+        uniqueKeysWithValues: assetIds.map { ($0, nil as String?) }
+      )
+    }
+    
+    var mappings: [String: String?] = [:]
+    let result = PHPhotoLibrary.shared().cloudIdentifierMappings(forLocalIdentifiers: assetIds)
+    for (key, value) in result {
+      let id = try? value.get().stringValue
+      mappings[key] = id
+    }
+    return mappings;
+  }
 }