ClassNotFoundException with Arc and generated application class
When working on the Agroal config patch, if I change the generated `DataSourceProducer` class to be a generated **application** class, I get the following error. Stuart is on it.

```
Caused by: java.lang.RuntimeException: Failed to start shamrock
    at org.jboss.shamrock.runner.ApplicationImpl1.<clinit>(Unknown Source)
    ... 34 more
Caused by: java.lang.NoClassDefFoundError: org/jboss/shamrock/agroal/runtime/DataSourceProducer
    at org.jboss.shamrock.agroal.runtime.DataSourceProducer_Bean.<init>(Unknown Source)
    at org.jboss.protean.arc.setup.Default_ComponentsProvider.getComponents(Unknown Source)
    at org.jboss.protean.arc.ArcContainerImpl.<init>(ArcContainerImpl.java:86)
    at org.jboss.protean.arc.Arc.initialize(Arc.java:34)
    at org.jboss.shamrock.arc.runtime.ArcDeploymentTemplate.getContainer(ArcDeploymentTemplate.java:41)
    at org.jboss.shamrock.deployment.steps.ArcAnnotationProcessor$build6.deploy(Unknown Source)
    ... 35 more
Caused by: java.lang.ClassNotFoundException: org.jboss.shamrock.agroal.runtime.DataSourceProducer
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
```
diff --git a/extensions/arc/deployment/src/main/java/org/jboss/shamrock/arc/deployment/ArcAnnotationProcessor.java b/extensions/arc/deployment/src/main/java/org/jboss/shamrock/arc/deployment/ArcAnnotationProcessor.java
index c95722decbb..394eb6e9300 100644
--- a/extensions/arc/deployment/src/main/java/org/jboss/shamrock/arc/deployment/ArcAnnotationProcessor.java
+++ b/extensions/arc/deployment/src/main/java/org/jboss/shamrock/arc/deployment/ArcAnnotationProcessor.java
@@ -138,7 +138,7 @@ public BeanContainerBuildItem build(ArcDeploymentTemplate arcTemplate, List<Bean
         for (GeneratedBeanBuildItem beanClass : generatedBeans) {
             IndexingUtil.indexClass(beanClass.getName(), indexer, beanArchiveIndex.getIndex(), additionalIndex, 
                                     ArcAnnotationProcessor.class.getClassLoader(), beanClass.getData());
-            generatedClassNames.add(DotName.createSimple(beanClass.getName()));
+            generatedClassNames.add(DotName.createSimple(beanClass.getName().replace('/', '.')));
         }
 
         CompositeIndex index = CompositeIndex.create(indexer.complete(), beanArchiveIndex.getIndex());
['extensions/arc/deployment/src/main/java/org/jboss/shamrock/arc/deployment/ArcAnnotationProcessor.java']