Replace location on self-rename

If we rename our current directory, then instead of navigating to a new
directory in the usual way (creating a new history item), replace the
current item.

This avoids the back button returning to the old name of the directory
(which no longer exists).

src/apis/spawnHelpers.jsx

@@ -71,7 +71,7 @@ export const spawnRenameItem = ({ selected, name, path, Dialogs, setErrorMessage
     cockpit.spawn(renameCommand({ selected, path, name }), options)
             .then(() => {
                 if (selected.items_cnt) {
-                    cockpit.location.go("/", { path: encodeURIComponent(newPath) });
+                    cockpit.location.replace("/", { path: encodeURIComponent(newPath) });
                 }
                 Dialogs.close();
             }, err => setErrorMessage(err.message));