`IconButton` is of type `submit` by default

[GlebIrovich]

Description

IconButton has a default type of submit which leads to unexpected behavior when placed within a form.

Slack thread

Steps to reproduce

Steps to reproduce
Create page with the following form:

<form>
<IconButton type="submit">
<IconButton/>
</form>

The second button will default to type=submit instead of type=button. Expected behavior would be that the second IconButton type would default to button.

Version

v35.28.0

Browser

No response