This changeset modifies how the `dashicons-external` icon is used in external links by editing its styles and adding a space between the text and the icon
for better accessibility.
Props SergeyBiryukov, afercia, isabel_brison, mukesh27, sabernhardt, oglekler, audrasjb.
Fixes#47303.
Built from https://develop.svn.wordpress.org/trunk@56211
git-svn-id: http://core.svn.wordpress.org/trunk@55723 1a063a9b-81f0-0310-95a4-ce76da25c4cd