StoreT3Bodytext.php: Hardcoded keynames replace by constants.

qfq/StoreT3Bodytext.php

@@ -28,9 +28,9 @@ class StoreT3Bodytext {
      */
     private function __construct() {
         self::$defaultSanatizeClass = [
-            'debugLoad' => SANATIZE_DIGIT,
-            'debugSave' => SANATIZE_DIGIT,
-            'form' => SANATIZE_ALNUMX
+            T3_BODYTEXT_DEBUG_LOAD => SANATIZE_DIGIT,
+            T3_BODYTEXT_DEBUG_SAVE => SANATIZE_DIGIT,
+            T3_BODYTEXT_FORM => SANATIZE_ALNUMX
         ];
     }