set engine persistence threshold to 0 (#360)

Author: frisitano

crates/node/src/main.rs

@@ -35,7 +35,7 @@ fn main() {
                         .config()
                         .engine
                         .tree_config()
-                        .with_always_process_payload_attributes_on_canonical_head(true);
+                        .with_always_process_payload_attributes_on_canonical_head(true).with_persistence_threshold(0);
                     let launcher = EngineNodeLauncher::new(
                         builder.task_executor().clone(),
                         builder.config().datadir(),

crates/node/src/test_utils.rs

@@ -90,7 +90,8 @@ where
             .with_add_ons(node.add_ons())
             .launch_with_fn(|builder| {
                 let tree_config = TreeConfig::default()
-                    .with_always_process_payload_attributes_on_canonical_head(true);
+                    .with_always_process_payload_attributes_on_canonical_head(true)
+                    .with_persistence_threshold(0);
                 let launcher = EngineNodeLauncher::new(
                     builder.task_executor().clone(),
                     builder.config().datadir(),