Refresh automatically "copy" / "move" buttons when clipboard is modified

Nuxeo 10.10 (+HFs ) + WebUI

• Put some Documents into the clipboard
• Open the clipboard; the "copy" and "move" button are greyed
• Refresh your navigator page
• Open the clipboard; the "copy" and "move" button are available for action
• Erase the documents from the clipboard
• When no document remain in the clipboad; the "copy" and "move" button are available for action
• Refresh your navigator page
• Open the clipboard; the "copy" and "move" button are greyed

Requesting that no refresh action has to happen for "copy" and "move" button to appear in the right state in the UI