Add "Paste from clipboard" button to page and markup sandboxes - #1465

Add "Paste from clipboard" button to page and markup sandboxes#1465

inducer with Copilot wants to merge 2 commits into

maininducer/relate:mainfrom

copilot/add-paste-button-sandboxesinducer/relate:copilot/add-paste-button-sandboxesCopy head branch name to clipboard