code_review: PR #1412

- Use `ViewModels.StashesPage.SelectedStash` instead of `sender is not ListBox { SelectedValue: Models.Stash stash }`
- In tags view, `SelectedItem` can be `Models.Tag` or `ViewModels.TagTreeNode`
- In logs window, `vm.SelectedLog` may be null

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

src/ViewModels/Repository.cs

@@ -1365,12 +1365,6 @@ namespace SourceGit.ViewModels
                 ShowPopup(new DeleteBranch(this, branch));
         }
 
-        public void DeleteRemote(Models.Remote remote)
-        {
-            if (CanCreatePopup())
-                ShowPopup(new DeleteRemote(this, remote));
-        }
-
         public void DeleteMultipleBranches(List<Models.Branch> branches, bool isLocal)
         {
             if (CanCreatePopup())
@@ -1407,6 +1401,12 @@ namespace SourceGit.ViewModels
                 ShowPopup(new AddRemote(this));
         }
 
+        public void DeleteRemote(Models.Remote remote)
+        {
+            if (CanCreatePopup())
+                ShowPopup(new DeleteRemote(this, remote));
+        }
+
         public void AddSubmodule()
         {
             if (CanCreatePopup())