General: Fix some precision alignment formatting warnings.

The WPCS `WordPress.WhiteSpace.PrecisionAlignment` rule throws warnings for a bunch of code that will likely cause issues for `wpcbf`. Fixing these manually beforehand gives us better auto-fixed results later.

See #41057.



git-svn-id: https://develop.svn.wordpress.org/trunk@42228 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/kses.php

@@ -1094,7 +1094,7 @@ function wp_kses_hair_parse( $attr ) {
 	}
 
 	$regex =
-	  '(?:'
+	'(?:'
 	.     '[-a-zA-Z:]+'   // Attribute name.
 	. '|'
 	.     '\[\[?[^\[\]]+\]\]?' // Shortcode in the name position implies unfiltered_html.