Changes to Button display cause white space in text to collapse

[joshblack]

Description

A recent change to the styles of the Button component causes white space to collapse when the contents include a mix of text and an element due to usage of display: flex

Steps to reproduce

1. Head to the button docs

2. Edit an example to include the markup

   <Button>Default <span>hello</span></Button>

3. Observe the white space between Default and hello has collapsed

Version

35.27.0

Browser

No response

Additional Context

• Slack
  • https://github.slack.com/archives/CMZ4DC9BL/p1691513104968179
  • https://github.slack.com/archives/C01L618AEP9/p1691583353604559