[CLI] Don't write progress if output is redirected

FIxes #155

DiscordChatExporter.Cli/Internal/InlineProgress.cs

@@ -9,19 +9,31 @@ namespace DiscordChatExporter.Cli.Internal
 
         public InlineProgress()
         {
-            _posX = Console.CursorLeft;
-            _posY = Console.CursorTop;
+            // If output is not redirected - save initial cursor position
+            if (!Console.IsOutputRedirected)
+            {
+                _posX = Console.CursorLeft;
+                _posY = Console.CursorTop;
+            }
         }
 
         public void Report(double progress)
         {
-            Console.SetCursorPosition(_posX, _posY);
-            Console.WriteLine($"{progress:P1}");
+            // If output is not redirected - reset cursor position and write progress
+            if (!Console.IsOutputRedirected)
+            {
+                Console.SetCursorPosition(_posX, _posY);
+                Console.WriteLine($"{progress:P1}");
+            }
         }
 
         public void Dispose()
         {
-            Console.SetCursorPosition(_posX, _posY);
+            // If output is not redirected - reset cursor position
+            if (!Console.IsOutputRedirected)
+                Console.SetCursorPosition(_posX, _posY);
+
+            // Inform about completion
             Console.WriteLine("Completed ✓");
         }
     }