Fix ansi strip ignoring the first provided cell path (nushell#16906)

Fixes nushell#13740.

`ansi strip` ignored the first provided cell path due to using an
invalid starting position when handling rest arguments.

See
nushell#13740 (comment)
for details.

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Fixed `ansi strip` ignoring the first provided cell path.

Author: smaximov

crates/nu-command/src/strings/ansi/strip.rs

@@ -51,19 +51,37 @@ impl Command for AnsiStrip {
         call: &Call,
         input: PipelineData,
     ) -> Result<PipelineData, ShellError> {
-        let cell_paths: Vec<CellPath> = call.rest(engine_state, stack, 1)?;
+        let cell_paths: Vec<CellPath> = call.rest(engine_state, stack, 0)?;
         let cell_paths = (!cell_paths.is_empty()).then_some(cell_paths);
         let config = stack.get_config(engine_state);
         let args = Arguments { cell_paths, config };
         operate(action, args, input, call.head, engine_state.signals())
     }
 
     fn examples(&self) -> Vec<Example<'_>> {
-        vec![Example {
-            description: "Strip ANSI escape sequences from a string",
-            example: r#"$'(ansi green)(ansi cursor_on)hello' | ansi strip"#,
-            result: Some(Value::test_string("hello")),
-        }]
+        vec![
+            Example {
+                description: "Strip ANSI escape sequences from a string",
+                example: r#"$'(ansi green)(ansi cursor_on)hello' | ansi strip"#,
+                result: Some(Value::test_string("hello")),
+            },
+            Example {
+                description: "Strip ANSI escape sequences from a record field",
+                example: r#"{ greeting: $'hello (ansi red)world' exclamation: false } | ansi strip greeting"#,
+                result: Some(Value::test_record(record! {
+                    "greeting" => Value::test_string("hello world"),
+                    "exclamation" => Value::test_bool(false)
+                })),
+            },
+            Example {
+                description: "Strip ANSI escape sequences from multiple table columns",
+                example: r#"[[language feature]; [$'(ansi red)rust' $'(ansi i)safety']] | ansi strip language feature"#,
+                result: Some(Value::test_list(vec![Value::test_record(record! {
+                    "language" => Value::test_string("rust"),
+                    "feature" => Value::test_string("safety")
+                })])),
+            },
+        ]
     }
 }