Refactored call to NextcloudKit.shared when setting granularity

Signed-off-by: Francesco Servida <git.fservida@gmail.com>

iOSClient/Data/NCManageDatabase+Account.swift

@@ -342,7 +342,7 @@ extension NCManageDatabase {
                 }
             }
         } catch let error {
-            NKCommon.shared.writeLog("Could not write to database: \(error)")
+            NextcloudKit.shared.nkCommonInstance.writeLog("Could not write to database: \(error)")
         }
     }