Bugfix pimcore build classes (#3961)

In order for the objects to be created correctly, ‘pimcore:build:classes’ must be executed

#3448

 Bug fix pimcore build classes

Author: manuelkleinert

recipe/pimcore.php

@@ -14,6 +14,7 @@
 
 desc('Rebuilds Pimcore Classes');
 task('pimcore:rebuild-classes', function () {
+    run('{{bin/console}} pimcore:build:classes');
     run('{{bin/console}} pimcore:deployment:classes-rebuild --create-classes --delete-classes --no-interaction');
 });