Fixed phone modal for country code

[immortalcodes]

Done

• Country code now gets displayed beside phone number in modal forms

QA

• Check out this feature branch
• Run the site using the command ./run serve or dotrun
• View the site locally in your web browser at: http://0.0.0.0:8001/
  • Be sure to test on mobile, tablet and desktop screen sizes
• visit #getintouch forms and check if you could see the extensions for country.
  eg. https://ubuntu-com-14517.demos.haus/kubernetes#get-in-touch

Issue / Card

Fixes #14509

Screenshots

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QA steps - Commit guidelines

[webteam-app]

Demo

Jenkins

demos.haus

[britneywwc]

Looks good, thanks!