Rely on BeanManager to determine whether @FlowScoped is passivating.

Changes FlowScopeBeanHolder not to assume that @FlowScoped is a
passivating scope and to ask the BeanManager instead.  This enables
@FlowScoped to work on Quarkus, which does not have passivating
scopes.
diff --git a/impl/src/main/java/org/apache/myfaces/flow/cdi/FlowScopeBeanHolder.java b/impl/src/main/java/org/apache/myfaces/flow/cdi/FlowScopeBeanHolder.java
index be4b29c..61227e1 100644
--- a/impl/src/main/java/org/apache/myfaces/flow/cdi/FlowScopeBeanHolder.java
+++ b/impl/src/main/java/org/apache/myfaces/flow/cdi/FlowScopeBeanHolder.java
@@ -36,6 +36,7 @@
 import javax.faces.context.FacesContext;
 import javax.faces.flow.Flow;
 import javax.faces.flow.FlowHandler;
+import javax.faces.flow.FlowScoped;
 import javax.faces.lifecycle.ClientWindow;
 import javax.inject.Inject;
 import javax.servlet.ServletContext;
@@ -104,7 +105,9 @@
      */
     public ContextualStorage getContextualStorage(BeanManager beanManager, String flowClientWindowId)
     {
-        return storageMap.computeIfAbsent(flowClientWindowId, k -> new ContextualStorage(beanManager, true, true));
+        return storageMap.computeIfAbsent(
+                flowClientWindowId,
+                k -> new ContextualStorage(beanManager, true, beanManager.isPassivatingScope(FlowScoped.class)));
     }
     
     public ContextualStorage getContextualStorageNoCreate(BeanManager beanManager, String flowClientWindowId)