private async Task PreparingFilesAsync()
{
syncStateDialog.Label = "Authenticating...";
syncStateDialog.Show(MainPage.UserPrefs.IsReadNightMode);
syncInstance.InitInstance();
await syncInstance.AuthenciateAccount();
syncStateDialog.Label = "Preparing files...";
mainPage.Collection.SaveAndCommit();
await syncInstance.InitSyncFolderIfNeeded();
await PrepareForSyncing();
}
