try_update_from returns an Error MissingRequiredArgument for argument with existing values

[nh13]

Please complete the following tasks

• I have searched the discussions
• I have searched the open and rejected issues

Rust Version

1.66.0

Clap Version

4.0.32

Minimal reproducible code

use clap::Parser;

#[derive(Parser, Debug, Clone)]
#[clap(name = "tool", version = "0.0.1", about="short", long_about="long", term_width=0)]

pub struct Opts {
  #[clap(long, short='f', required=true)]
  pub foo: usize,
  #[clap(long, short='b', required=true)]
  pub bar: usize,
}

pub fn main() {
  let mut opts = Opts {
      foo: 0,
      bar: 1,
  };
  println!("initial opts: {:?}", opts);
  
  let argv = vec!["tool", "--bar", "2"];
  
  match opts.try_update_from(argv.into_iter()) {
      Ok(()) => println!("OK: {:?}", opts),
      Err(err) => println!("ERR: {:?}", err)
  }
}

Steps to reproduce the bug with the above code

Please see: https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=43678edf67d7e39b179c141c55d2036d

Actual Behaviour

try_update_from returns an error of kind MissingRequiredArgument

Expected Behaviour

try_update_from should succeed as foo already set in opt

Additional Context

No response

Debug Output

No response

[epage]

In update_from, we skip applying our implicit required = true but we are not overriding the users explicit required = true which we should