enhance: unstaged renamed file should use git restore --staged <path> <org_path> instead of git restore --staged <path>

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Commands/Restore.cs

@@ -21,7 +21,7 @@ public Restore(string repo, List<string> files, string extra)
             WorkingDirectory = repo;
             Context = repo;
 
-            StringBuilder builder = new StringBuilder();
+            var builder = new StringBuilder();
             builder.Append("restore ");
             if (!string.IsNullOrEmpty(extra))
                 builder.Append(extra).Append(" ");

src/ViewModels/WorkingCopy.cs

@@ -1675,7 +1675,11 @@ private async void UnstageChanges(List<Models.Change> changes, Models.Change nex
                     var step = changes.GetRange(i, Math.Min(10, count - i));
                     var files = new List<string>();
                     foreach (var c in step)
+                    {
                         files.Add(c.Path);
+                        if (c.Index == Models.ChangeState.Renamed)
+                            files.Add(c.OriginalPath);
+                    }
 
                     await Task.Run(() => new Commands.Restore(_repo.FullPath, files, "--staged").Use(log).Exec());
                 }