refactor: revert position of sanitization

includes/formatting.php

@@ -735,7 +735,6 @@ function give_get_cache_key($action, $query_args)
  * Clean variables using sanitize_text_field. Arrays are cleaned recursively.
  * Non-scalar values are ignored.
  *
- * @unreleased sanitize data before checking for serialized data
  * @since 3.19.3 Don't unserialize data by default and return an empty string when data is serialized and $allow_serialized_data is false
  * @since 3.17.2 Safe unserialize data by default
  * @since  1.8
@@ -750,15 +749,11 @@ function give_clean($var, $allow_serialized_data = false)
         return array_map('give_clean', $var);
     }
 
-    if (is_scalar($var)) {
-        $var = sanitize_text_field(wp_unslash($var));
-    }
-
     if ( Utils::isSerialized($var)) {
         $var = $allow_serialized_data ? Utils::safeUnserialize($var) : '';
     }
 
-    return $var;
+    return is_scalar($var) ? sanitize_text_field(wp_unslash($var)) : $var;
 }
 
 /**