avoid the warning to set open-in-view=true explicitly

persistence/src/main/java/org/devgateway/toolkit/persistence/application.properties

@@ -30,6 +30,9 @@ spring.jpa.hibernate.cache.use_query_cache=true
 spring.jpa.properties.hibernate.cache.use_second_level_cache=true
 spring.servlet.multipart.enabled = false
 
+# setting explicitly to true (same as the default) to avoid startup warning that "database queries may be performed during view rendering"
+spring.jpa.open-in-view=true
+
 #enable modified flag for envers, to track field-level modifications
 spring.jpa.properties.org.hibernate.envers.global_with_modified_flag=true