Can show flags instead of text in Select addon

[mehrad77]

Feature Request

Problem description

currently, select tags are showing like this:

which it's data comes from an object like this:

{
  { key: 'af', value: 'af', flag: 'af', text: '+93' },
  { key: 'cn', value: 'cn', flag: 'cn', text: '+14' }
}

But how can show flags inside of choose Select option instead of text? (+93 in this example)

Proposed solution

Well, I don't know how <Select /> is designed but since we have <Flag /> component, it shouldn't be hard to implement this.

[welcome]

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[layershifter]

Duplicate of #1147, see the issue and Codesandbox for workarouds: https://codesandbox.io/s/qo4mrr5n9