concord-server: simplify code

Author: ibodrov

server/impl/src/main/java/com/walmartlabs/concord/server/boot/resteasy/ResteasyBootstrapListener.java

@@ -82,15 +82,17 @@ private static void processInjector(ResteasyDeployment deployment, Injector inje
 
         var providerFactory = deployment.getProviderFactory();
         for (var binding : injector.getBindings().values()) {
-            var type = (Object) binding.getKey().getTypeLiteral().getRawType();
-            if (type instanceof Class<?> beanClass) {
-                if (GetRestful.isRootResource(beanClass)) {
-                    rootResourceBindings.add(binding);
-                }
-                if (beanClass.isAnnotationPresent(Provider.class)) {
-                    log.info("registering provider instance for {}", beanClass.getName());
-                    providerFactory.registerProviderInstance(binding.getProvider().get());
-                }
+            var type = binding.getKey().getTypeLiteral().getRawType();
+            if (type == null) {
+                continue;
+            }
+
+            if (GetRestful.isRootResource(type)) {
+                rootResourceBindings.add(binding);
+            }
+            if (type.isAnnotationPresent(Provider.class)) {
+                log.info("registering provider instance for {}", type.getName());
+                providerFactory.registerProviderInstance(binding.getProvider().get());
             }
         }