Return errors on unexpected inputs to take and first (#7123)

* Fix `take` behaviour for unexpected input types

* Fix `first` behaviour for unexpected input types

* Fix copy paste mistake

crates/nu-command/tests/commands/take/rows.rs

@@ -41,3 +41,28 @@ fn rows_with_no_arguments_should_lead_to_error() {
         assert!(actual.err.contains("missing_positional"));
     })
 }
+
+#[test]
+fn fails_on_string() {
+    let actual = nu!(
+        cwd: ".", pipeline(
+        r#"
+                "foo bar" | take 2
+            "#
+    ));
+
+    assert!(actual.err.contains("unsupported_input"));
+}
+
+#[test]
+// covers a situation where `take` used to behave strangely on list<binary> input
+fn works_with_binary_list() {
+    let actual = nu!(
+        cwd: ".", pipeline(
+        r#"
+        ([0x[01 11]] | take 1 | get 0) == 0x[01 11]
+            "#
+    ));
+
+    assert_eq!(actual.out, "true");
+}