Properly redirect invocations (#2070)

* Properly redirect invocations

* Don't convert with-env yet, as there's a random test failure

crates/nu-cli/src/evaluate/evaluator.rs

@@ -196,6 +196,9 @@ async fn evaluate_invocation(
 
     let input = InputStream::empty();
 
+    let mut block = block.clone();
+    block.set_is_last(true);
+
     let result = run_block(&block, &mut context, input, it, vars, env).await?;
 
     let output = result.into_vec().await;