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/class-wp-post.php

@@ -283,10 +283,10 @@ final class WP_Post {
 			return true;
 
 		if ( 'post_category' == $key )
-		   return true;
+			return true;
 
 		if ( 'tags_input' == $key )
-		   return true;
+			return true;
 
 		return metadata_exists( 'post', $this->ID, $key );
 	}