Function capture

src/Sortable.js:1049–1056

()

		// Capture animation state
		function capture() {
			dragOverEvent('dragOverAnimationCapture');

			_this.captureAnimationState();
			if (_this !== fromSortable) {
				fromSortable.captureAnimationState();
			}
		}

		// Return invocation when dragEl is inserted (or completed)
		function completed(insertion) {