Round scrolly message values

Author: frederickobrien

dotcom-rendering/src/components/InteractiveAtom.tsx

@@ -20,7 +20,6 @@ const iframe = css`
 		position: sticky;
 		top: 0;
 		height: 100vh;
-		height: 100dvh;
 		overflow: hidden;
 	}
 `;

dotcom-rendering/src/components/InteractiveAtomMessenger.importable.tsx

@@ -72,7 +72,7 @@ export const InteractiveAtomMessenger = ({ id }: Props) => {
 				const rect = container.getBoundingClientRect();
 				if (rect.top > 0) return setScroll(0);
 				if (rect.top < -rect.height) return setScroll(1);
-				setScroll(-rect.top);
+				setScroll(-Math.round(rect.top));
 			});
 		};