Fix use label as key in type choice array (#431)

Author: sveriger

src/Form/Type/RouteTypeType.php

@@ -28,7 +28,7 @@ public function configureOptions(OptionsResolver $resolver)
     {
         $choices = [];
         foreach ($this->routeTypes as $routeType) {
-            $choices[$routeType] = 'route_type.'.$routeType;
+            $choices['route_type.'.$routeType] = $routeType;
         }
 
         $resolver->setDefaults([

tests/Unit/Form/Type/RouteTypeTypeTest.php

@@ -48,8 +48,8 @@ public function testDefaultsSet()
             ->method('setDefaults')
             ->with([
                 'choices' => [
-                    'foobar' => 'route_type.foobar',
-                    'barfoo' => 'route_type.barfoo',
+                    'route_type.foobar' => 'foobar',
+                    'route_type.barfoo' => 'barfoo',
                 ],
                 'translation_domain' => 'CmfRoutingBundle',
             ]);