feat: make addons stateful (#11204)

Co-authored-by: Arsenii Kulikov <klkvrr@gmail.com>

crates/ethereum/node/src/node.rs

@@ -77,7 +77,8 @@ impl NodeTypesWithEngine for EthereumNode {
 }
 
 /// Add-ons w.r.t. l1 ethereum.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Default)]
+#[non_exhaustive]
 pub struct EthereumAddOns;
 
 impl<N: FullNodeComponents> NodeAddOns<N> for EthereumAddOns {
@@ -104,6 +105,10 @@ where
     fn components_builder(&self) -> Self::ComponentsBuilder {
         Self::components()
     }
+
+    fn add_ons(&self) -> Self::AddOns {
+        EthereumAddOns::default()
+    }
 }
 
 /// A regular ethereum evm and executor builder.