feature: Allow populating the repository URL from the clipboard

Allow populating the repository URL from the clipboard if the clipboard contains a valid URL.

src/App.axaml.cs

@@ -317,6 +317,18 @@ namespace SourceGit
             });
         }
 
+        public static async Task<string> GetClipboardTextAsync()
+        {
+            if (Current.ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                if (desktop.MainWindow.Clipboard is { } clipboard)
+                {
+                   return await clipboard.GetTextAsync();
+                }
+            }
+            return default;
+        }
+
         private ResourceDictionary _activeLocale = null;
         private ResourceDictionary _colorOverrides = null;
         private Models.INotificationReceiver _notificationReceiver = null;

src/ViewModels/Clone.cs

@@ -56,6 +56,22 @@ namespace SourceGit.ViewModels
             _page = launcher.ActivePage;
 
             View = new Views.Clone() { DataContext = this };
+            App.GetClipboardTextAsync()
+                .ContinueWith(t =>
+                {
+                    if (t.IsFaulted)
+                    {
+                        t.Exception.Handle(static _ => true);
+                    }
+                    else if (t.IsCompleted)
+                    {
+                        var result = t.Result;
+                        if (Models.Remote.IsValidURL(result))
+                        {
+                            Remote = result;
+                        }
+                    }
+                });
         }
 
         public static ValidationResult ValidateRemote(string remote, ValidationContext _)