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/html/Cargo.toml

@@ -21,6 +21,9 @@ keyboard-types = "0.6.2"
 async-trait = "0.1.58"
 serde-value = "0.7.0"
 tokio = { workspace = true, features = ["fs", "io-util"], optional = true }
+rfd = { version = "0.11.3", optional = true }
+async-channel = "1.8.0"
+serde_json = { version = "1", optional = true }
 
 [dependencies.web-sys]
 optional = true
@@ -54,6 +57,7 @@ default = ["serialize"]
 serialize = [
     "serde",
     "serde_repr",
+    "serde_json",
     "euclid/serde",
     "keyboard-types/serde",
     "dioxus-core/serialize",