Test return in reduce closure from #7961 (#7973)

# Description

Functionality added by @nabacg in #7961 already

h/t @YuriGeinishO for the example in #7933

Closes #7933


# User-Facing Changes

None

# Tests + Formatting

+1 end to end example

crates/nu-command/tests/commands/reduce.rs

@@ -46,6 +46,25 @@ fn reduce_rows_example() {
     assert_eq!(actual.out, "14.8");
 }
 
+#[test]
+fn reduce_with_return_in_closure() {
+    let actual = nu!(
+        cwd: ".", pipeline(
+        r#"
+        [1, 2] | reduce --fold null { |it, state|
+            if $it == 1 {
+                return 10
+            };
+            return ($it * $state)
+        }
+        "#
+        )
+    );
+
+    assert_eq!(actual.out, "20");
+    assert!(actual.err.is_empty());
+}
+
 #[test]
 fn reduce_enumerate_example() {
     let actual = nu!(