Fix for ALF-20277 - Impossible to login to Alfresco JSF client when alfresco is read only.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/PATCHES/V4.2.0/root@56458 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/bean/repository/User.java

@@ -203,7 +203,7 @@ public final class User implements SessionUser
       }
       return this.preferences;
    }
-   
+    
    /**
     * Get or create the node used to store user preferences.
     * Utilises the 'configurable' aspect on the Person linked to this user.
@@ -267,7 +267,7 @@ public final class User implements SessionUser
                 }
                 return prefRef;
             }
-        });
+        }, txService.isReadOnly());
     }
    
    /**