Coding Standards: Add a leading zero in the CSS declarations printed …

…by the `print_emoji_styles()` function.

Follow-up to [31733], [31786].

Props audrasjb, sabernhardt.
Fixes #54284.

git-svn-id: https://develop.svn.wordpress.org/trunk@51918 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/formatting.php

@@ -5650,7 +5650,7 @@ function print_emoji_styles() {
 	box-shadow: none !important;
 	height: 1em !important;
 	width: 1em !important;
-	margin: 0 .07em !important;
+	margin: 0 0.07em !important;
 	vertical-align: -0.1em !important;
 	background: none !important;
 	padding: 0 !important;