Use empty default values when building no-op CP instance

This is done in order to avoid the overhead of
looking up properties that won't be used anyway

Requires: smallrye/smallrye-context-propagation#477

extensions/smallrye-context-propagation/runtime/src/main/java/io/quarkus/smallrye/context/runtime/SmallRyeContextPropagationRecorder.java

@@ -23,6 +23,7 @@
 import io.smallrye.context.SmallRyeContextManager;
 import io.smallrye.context.SmallRyeManagedExecutor;
 import io.smallrye.context.SmallRyeThreadContext;
+import io.smallrye.context.impl.DefaultValues;
 
 /**
  * The runtime value service used to create values related to the MP-JWT services
@@ -141,6 +142,7 @@ public void configureStaticInit(List<ThreadContextProvider> discoveredProviders,
         noContextBuilder.withThreadContextProviders(new ThreadContextProvider[0]);
         noContextBuilder.withContextManagerExtensions(new ContextManagerExtension[0]);
         noContextBuilder.withDefaultExecutorService(NOPE_EXECUTOR_SERVICE);
+        noContextBuilder.withDefaultValues(DefaultValues.empty());
         ContextManagerProvider.instance().registerContextManager(noContextBuilder.build(), null /* not used */);
     }