pc/modals: PhoneInput component with bundled flag icons

[ssangervasi]

Closes #2361

Code Changes

• Extracted the duplicate PhoneInput code to its own file
• Import and pass the flag icons directly to the JS.

Steps to Confirm

• Toggle phone country => no requests in network tab to other domains for SVGs.

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md

Description Of Changes

Once you click on a card, the input modal shows up. At that time the chunk that includes the icons loads in:

And then you can see the SVG src is right in the page (no network request for icon):

[Kelsey-Ethyca]

🎏 👍