[Flag] - Shows the Flag of Taiwan when try to use Burmese Flag

[syang0624]

Expected When using Myanmar flag:

• Instead of Showing 🇹🇼 should show 🇲🇲

Result Currently shows 🇹🇼 when using the Myanmar flag

Testcase (fork this to get started) http://jsfiddle.net/rduvhn8u/1/

[syang0624]

Was reading the documentation here: https://react.semantic-ui.com/elements/flag/#types-flag

but realized that the main example uses the Taiwan flag but in the code, it says Myanmar

[syang0624]

https://github.com/Semantic-Org/Semantic-UI/pull/7123