fix: Retain lock token during metadata updates from remote.

Signed-off-by: Iva Horn <iva.horn@icloud.com>

Author: i2h3

Sources/NextcloudFileProviderKit/Database/FilesDatabaseManager.swift

@@ -294,6 +294,7 @@ public final class FilesDatabaseManager: Sendable {
 
                     updatedMetadata.visitedDirectory = existingMetadata.visitedDirectory
                     updatedMetadata.keepDownloaded = existingMetadata.keepDownloaded
+                    updatedMetadata.lockToken = existingMetadata.lockToken
 
                     returningUpdatedMetadatas.append(updatedMetadata)
 

Sources/NextcloudFileProviderKit/Enumeration/Enumerator+SyncEngine.swift

@@ -189,10 +189,10 @@ extension Enumerator {
                 let existing = dbManager.itemMetadata(ocId: metadata.ocId)
                 let isNew = existing == nil
                 let newItems: [SendableItemMetadata] = isNew ? [metadata] : []
+                metadata.lockToken = existing?.lockToken
                 let updatedItems: [SendableItemMetadata] = isNew ? [] : [metadata]
                 metadata.downloaded = existing?.downloaded == true
                 metadata.keepDownloaded = existing?.keepDownloaded == true
-                metadata.lockToken = existing?.lockToken
                 dbManager.addItemMetadata(metadata)
                 return ([metadata], newItems, updatedItems, nil, nextPage, nil)
             }