refactor(tasks): remove TaskSpawner trait in favor of concrete Runtime (#22052)

Co-authored-by: Amp <amp@ampcode.com>

crates/node/builder/src/builder/mod.rs

@@ -986,7 +986,7 @@ impl<Node: FullNodeTypes<Types: NodeTypes<ChainSpec: Hardforks>>> BuilderContext
                 secret_key,
                 default_peers_path,
             )
-            .with_task_executor(Box::new(self.executor.clone()))
+            .with_task_executor(self.executor.clone())
             .set_head(self.head);
 
         Ok(builder)

crates/node/builder/src/launch/engine.rs

@@ -231,7 +231,7 @@ impl EngineNodeLauncher {
             network_client.clone(),
             Box::pin(consensus_engine_stream),
             pipeline,
-            Box::new(ctx.task_executor().clone()),
+            ctx.task_executor().clone(),
             ctx.provider_factory().clone(),
             ctx.blockchain_db().clone(),
             pruner,

crates/node/builder/src/rpc.rs

@@ -1016,7 +1016,7 @@ where
             .with_provider(node.provider().clone())
             .with_pool(node.pool().clone())
             .with_network(node.network().clone())
-            .with_executor(Box::new(node.task_executor().clone()))
+            .with_executor(node.task_executor().clone())
             .with_evm_config(node.evm_config().clone())
             .with_consensus(node.consensus().clone())
             .build_with_auth_server(module_config, engine_api, eth_api, engine_events.clone());
@@ -1403,7 +1403,7 @@ where
             ctx.beacon_engine_handle.clone(),
             PayloadStore::new(ctx.node.payload_builder_handle().clone()),
             ctx.node.pool().clone(),
-            Box::new(ctx.node.task_executor().clone()),
+            ctx.node.task_executor().clone(),
             client,
             EngineCapabilities::default(),
             engine_validator,