properly animate the profile hover card (#3590)

* properly implement with `isOpen` and `isPositioned`

* well, this works just as well

* add `willChange`

src/components/ProfileHoverCard/index.web.tsx

@@ -289,12 +289,12 @@ export function ProfileHoverCardInner(props: ProfileHoverCardProps) {
       {props.children}
       {isVisible && (
         <Portal>
-          <div style={animationStyle}>
           <div
             ref={refs.setFloating}
             style={floatingStyles}
             onPointerEnter={onPointerEnterCard}
             onPointerLeave={onPointerLeaveCard}>
+            <div style={{willChange: 'transform', ...animationStyle}}>
               <Card did={props.did} hide={onPress} />
             </div>
           </div>