[Modal] Modal actions not visible in IOS safari

[mrsideshowjack]

What package(s) are you using?

• carbon-components
• carbon-components-react
• carbon-components-vue <-- issue not visible here

Detailed description

Describe in detail the issue you're having.

The modal footer/actions are not visible

Is this issue related to a specific component?

Modal

What did you expect to happen? What happened instead? What would you like to
see changed?

To be able to see the modal actions

What browser are you working in?

IOS safari

What version of the Carbon Design System are you using?

lastest

Steps to reproduce the issue

1. open a modal using IOS safari, you can use Xcode device simulator also

Please create a reduced test case in CodeSandbox

• Style and vanilla JS:
  https://the-carbon-components.netlify.com/component/modal--default.html
• React:
  https://codesandbox.io/s/brave-breeze-b5tj7

Additional information