Fixed DeepL state after changing its settings

I18N Commander/UI WinForms/Program.cs

@@ -79,6 +79,7 @@ internal static class Program
                 // Start the app:
                 do
                 {
+                    Processor.DeepL.ResetState();
                     Application.Run(new Main());
                 } while (Program.RestartMainApp);
             }