More Hibernate 6.2 compatibility.

Change-Id: Ib06822de4e2d64419a8285c0a46b2d8931cea4c8
diff --git a/src/main/java/eu/mulk/mulkcms2/benki/lazychat/LazychatResource.java b/src/main/java/eu/mulk/mulkcms2/benki/lazychat/LazychatResource.java
index 4a36cf8..e93f7de 100644
--- a/src/main/java/eu/mulk/mulkcms2/benki/lazychat/LazychatResource.java
+++ b/src/main/java/eu/mulk/mulkcms2/benki/lazychat/LazychatResource.java
@@ -45,13 +45,13 @@
     var user = Objects.requireNonNull(getCurrentUser());
 
     var message = new LazychatMessage();
-    message.setContent(text);
     message.owner = user;
     message.date = OffsetDateTime.now();
 
-    assignPostTargets(visibility, user, message);
+    message.persist();
+    message.setContent(text);
 
-    message.persistAndFlush();
+    assignPostTargets(visibility, user, message);
 
     return Response.seeOther(new URI("/lazychat")).build();
   }