[meld/ui-next] dirdiff: Fix incorrect identical folder hint after copying subtree

[Kai Willadsen <kaiw src gnome org>]

commit 28c5ef120e835aa23d8719bcf89105a67897f782
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Apr 7 08:19:33 2019 +1000

    dirdiff: Fix incorrect identical folder hint after copying subtree

 meld/dirdiff.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meld/dirdiff.py b/meld/dirdiff.py
index b4e1275f..4b2af03b 100644
--- a/meld/dirdiff.py
+++ b/meld/dirdiff.py
@@ -908,7 +908,7 @@ class DirDiff(Gtk.VBox, tree.TreeviewCommon, MeldDoc):
 
         if invalid_filenames or shadowed_entries:
             self._show_tree_wide_errors(invalid_filenames, shadowed_entries)
-        elif not expanded:
+        elif rootpath == Gtk.TreePath.new_first() and not expanded:
             self._show_identical_status()
 
         self.treeview[0].expand_to_path(Gtk.TreePath(("0",)))