React version: 16.14.0, 17.0.2

## Steps To Reproduce

1. Apply aspectRatio via `style` - no aspectRatio applied
2. Add via className - aspectRatio applied

Needs Chrome 79 or above:
Link to code example: https://codesandbox.io/s/react-bug-not-applying-aspect-ratio-via-style-w2pqh?file=/src/App.js

## The current behavior

No aspectRatio rule applied:
https://codesandbox.io/s/react-bug-not-applying-aspect-ratio-via-style-w2pqh?file=/src/App.js


## The expected behavior

aspectRatio applied, here I'm adding it via a `useLayoutEffect`:
https://codesandbox.io/s/currying-hill-i09qn?file=/src/App.js

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
/**
 * CSS properties which accept numbers but are not in units of "px".
 */
export const isUnitlessNumber = {
  animationIterationCount: true,
  borderImageOutset: true,
  borderImageSlice: true,
  borderImageWidth: true,