whoops, we want to make classes final by default

Author: jrushlow

src/DependencyInjection/Configuration.php

@@ -24,7 +24,7 @@ public function getConfigTreeBuilder(): TreeBuilder
         $rootNode
             ->children()
                 ->scalarNode('root_namespace')->defaultValue('App')->end()
-                ->booleanNode('generate_final_classes')->defaultFalse()->end()
+                ->booleanNode('generate_final_classes')->defaultTrue()->end()
                 ->booleanNode('generate_final_entities')->defaultFalse()->end()
             ->end()
         ;