Switch condition order to support PHP 8

Author: jdreesen

src/ParameterResolver/TypeHintResolver.php

@@ -30,14 +30,14 @@ public function getParameters(
                 // No type
                 continue;
             }
-            if ($parameterType->isBuiltin()) {
-                // Primitive types are not supported
-                continue;
-            }
             if (! $parameterType instanceof ReflectionNamedType) {
                 // Union types are not supported
                 continue;
             }
+            if ($parameterType->isBuiltin()) {
+                // Primitive types are not supported
+                continue;
+            }
 
             $parameterClass = $parameterType->getName();
             if ($parameterClass === 'self') {