Issue #3398090 by viren18febS, solideogloria: ConfigEntityType inherited...

Issue #3398090 by viren18febS, solideogloria: ConfigEntityType inherited functions return FALSE instead of NULL

core/lib/Drupal/Core/Config/Entity/ConfigEntityType.php

@@ -95,28 +95,28 @@ public function getConfigPrefix() {
    * {@inheritdoc}
    */
   public function getBaseTable() {
-    return FALSE;
+    return NULL;
   }
 
   /**
    * {@inheritdoc}
    */
   public function getRevisionDataTable() {
-    return FALSE;
+    return NULL;
   }
 
   /**
    * {@inheritdoc}
    */
   public function getRevisionTable() {
-    return FALSE;
+    return NULL;
   }
 
   /**
    * {@inheritdoc}
    */
   public function getDataTable() {
-    return FALSE;
+    return NULL;
   }
 
   /**