Convert use_eval to use send/recv system (#1080)

* progress: reworked

don't run this, it'll kill your web browser

* feat: use_eval but with comms

* revision: async recv & recv_sync

* revision: use_eval

* revision: standard eval interface

* revision: use serde_json::Value instead of JsValue

* revision: docs

* revision: error message

* create: desktop eval (wip)

* fix: desktop eval

* revision: wrap use_eval in Rc<RefCell<_>>

* fix: fmt, clippy

* fix: desktop tests

* revision: change to channel system

- fixes clippy errors
- fixes playwright tests

* fix: tests

* fix: eval example

* fix: fmt

* fix: tests, desktop stuff

* fix: tests

* feat: drop handler

* fix: tests

* fix: rustfmt

* revision: web promise/callback system

* fix: recv error

* revision: IntoFuture, functionation

* fix: ci

* revision: playwright web

* remove: unescessary code

* remove dioxus-html from public examples

* prototype-patch

* fix web eval

* fix: rustfmt

* fix: CI

* make use_eval more efficient

* implement eval for liveview as well

* fix playwright tests

* fix clippy

* more clippy fixes

* fix clippy

* fix stack overflow

* fix desktop mock

* fix clippy

---------

Co-authored-by: Evan Almloff <evanalmloff@gmail.com>

packages/desktop/src/desktop_context.rs

@@ -3,7 +3,6 @@ use std::rc::Rc;
 use std::rc::Weak;
 
 use crate::create_new_window;
-use crate::eval::EvalResult;
 use crate::events::IpcMessage;
 use crate::query::QueryEngine;
 use crate::shortcut::ShortcutId;
@@ -213,14 +212,6 @@ impl DesktopService {
         log::warn!("Devtools are disabled in release builds");
     }
 
-    /// Evaluate a javascript expression
-    pub fn eval(&self, code: &str) -> EvalResult {
-        // the query id lets us keep track of the eval result and send it back to the main thread
-        let query = self.query.new_query(code, &self.webview);
-
-        EvalResult::new(query)
-    }
-
     /// Create a wry event handler that listens for wry events.
     /// This event handler is scoped to the currently active window and will only recieve events that are either global or related to the current window.
     ///