v11.2.0

• feat: #2695 'Esc' to cancel now works on sidebar external items, also works dragging over trash.
• feat: #2852 better React example. Thank you CNine
• fix: #2852 grid in tabs correctly handles CSS. Thank you Luciano Martorella
• fix: #2900 use attr data-gs-widget instead of gridstacknode (supported as well for backward compatibility)