`for x in children.iter()` works in `html!` but `for x in &children` does not

[Madoshakalaka]

Problem

The for loop syntax in html! requires children.iter() to compile, but does not accept &children, which is the idiomatic Rust form and what clippy's explicit_iter_loop lint likes.

Minimal Reproduction

This compiles:

#[derive(Clone, PartialEq, Properties)]
pub struct WrapperProps {
    pub children: Children,
}

#[component]
fn Wrapper(props: &WrapperProps) -> Html {
    html! {
        <ul>
            for child in props.children.iter() {
                <li>{child}</li>
            }
        </ul>
    }
}

This does not:

#[component]
fn Wrapper(props: &WrapperProps) -> Html {
    html! {
        <ul>
            for child in &props.children {
                <li>{child}</li>
            }
        </ul>
    }
}

Expected behavior
both should compile

Environment:

• Yew version: [0.23.0]

Questionnaire

• I'm interested in fixing this myself but don't know where to start
• I would like to fix and I have a solution
• I don't have time to fix this right now, but maybe later

[Madoshakalaka]

@its-the-shrimp you might have something to say?

[its-the-shrimp]

Sorry for the delay, here's my opinion

[Madoshakalaka]

I think the un-ergonomic thing happens for implicit_clone::unsync::IArray
where

html!{
  for foo in props.my_iarray.iter() {
    // ...
  }
}

has to be used.

@kirillsemyonkin can we do something about it?