disable allow font scale doesn't work in button group #3969

Is there an existing issue for this?

• I have searched the existing issues

Explain what you did

I want to fix font size in buttonGroup. No matter I use Text with react native or react native elements. The font size can't be fixed. Please help, thanks.

<ButtonGroup
buttons={[
<Text
key={0}
allowFontScaling={false}
style={{ fontSize: 16 }}
>
選項 1
,
<Text
key={1}
allowFontScaling={false}
style={{ fontSize: 16 }}
>
選項 2
,
/>

Expected behavior

Font size should be fixed.

Describe the bug

Font size can't be fixed.

Steps To Reproduce

add text component in buttons.

Screenshots

No response

Your Environment

  ```
    Output from `npx @rneui/envinfo` goes here.
  ```