Add error handling to rename function

lua/telescope/_extensions/resession/picker.lua

@@ -25,9 +25,11 @@ function M.rename_session(prompt_bufnr)
         end
         new_filename = utils.encode_session(input, opts) .. ".json"
         new_filename = utils.full_filename(new_filename)
-        vim.notify("old: " .. vim.inspect(old_filename) .. " new: " .. vim.inspect(new_filename))
         local ok, err, _ = vim.uv.fs_rename(old_filename, new_filename)
-        vim.notify(vim.inspect(err))
+        if not ok then
+            vim.notify("Error renaming session\n" .. vim.inspect(err))
+            return
+        end
         -- Refresh the picker
         actions.close(prompt_bufnr)
         M.resession_picker()