Improve import installed game feature

src/LegendaryGameInstaller.xaml.cs

@@ -200,10 +200,12 @@ private async void ImportBtn_Click(object sender, RoutedEventArgs e)
                                          .ExecuteBufferedAsync();
                 if (importCmd.StandardError.Contains("has been imported"))
                 {
+                    playniteAPI.Dialogs.ShowMessage(LOC.LegendaryImportFinished);
                     InstallerWindow.DialogResult = true;
                 }
                 else
                 {
+                    playniteAPI.Dialogs.ShowErrorMessage(ResourceProvider.GetString(LOC.LegendaryGameImportFailure).Format(LOC.LegendaryCheckLog));
                     logger.Debug("[Legendary] " + importCmd.StandardError);
                     logger.Error("[Legendary] exit code: " + importCmd.ExitCode);
                 }

src/Localization/en_US.xaml

@@ -29,6 +29,7 @@
   <sys:String x:Key="LOCLegendarySyncError">An error occurred while syncing {0} game saves to the cloud.</sys:String>
   <sys:String x:Key="LOCLegendaryImportingGame">Importing {0}...</sys:String>
   <sys:String x:Key="LOCLegendaryImportFinished">Import finished. Have fun.</sys:String>
+  <sys:String x:Key="LOCLegendaryGameImportFailure">Failed to import game. Reason: {0}.</sys:String>
   <sys:String x:Key="LOCLegendaryMaxWorkers">Maximum number of worker processes</sys:String>
   <sys:String x:Key="LOCLegendaryMaxSharedMemory">Maximum amount of shared memory (MB)</sys:String>
   <sys:String x:Key="LOCLegendaryDownloadManager">Download Manager</sys:String>

src/LocalizationKeys.cs

@@ -338,6 +338,10 @@ public static class LOC
         /// </summary>
         public const string LegendaryImportFinished = "LOCLegendaryImportFinished";
         /// <summary>
+        /// Failed to import game. Reason: {0}.
+        /// </summary>
+        public const string LegendaryGameImportFailure = "LOCLegendaryGameImportFailure";
+        /// <summary>
         /// Maximum number of worker processes
         /// </summary>
         public const string LegendaryMaxWorkers = "LOCLegendaryMaxWorkers";