Improve PageLayout pane drag performance with pointer capture and GPU-accelerated transforms#7307

mattcosta7 merged 8 commits intomainprimer/react:mainfrom

revert-7305-revert-7275-revert-7274-revert-7251-mc/copilot/sub-pr-7248primer/react:revert-7305-revert-7275-revert-7274-revert-7251-mc/copilot/sub-pr-7248Copy head branch name to clipboard