Preserve current state before big refactor

addons/deploy_to_steamos/deploy_window/DeployWindow.Upload.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Threading.Tasks;
+using Godot;
+
+namespace Laura.DeployToSteamOS;
+
+public partial class DeployWindow
+{
+    private async Task DeployUpload(Callable logCallable)
+    {
+        CurrentStep = DeployStep.Uploading;
+        CurrentProgress = StepProgress.Running;
+        UpdateUI();
+
+        try
+        {
+            await SteamOSDevkitManager.CopyFiles(
+                _device,
+                _localPath,
+                _prepareUploadResult.Directory,
+                logCallable
+            );
+        }
+        catch (Exception e)
+        {
+            AddToConsole(DeployStep.Uploading, e.Message);
+            UpdateUIToFail();
+        }
+
+        CurrentProgress = StepProgress.Succeeded;
+        UpdateUI();
+    }
+}