Add struct field visualization to the editor message hierarchy tree visualization on the website (#2917)

* Fix Message Tree: Enforce Structure and Visibility

* Code review

* fix the erroreous ouputs

* error handling for MessageHandler

* Fix website visualization HTML generation

* error handling for tuple-style message enum variant

* cleanup

* Update messages

* Normalize BroadcastEvent

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

editor/src/messages/broadcast/event/event_message.rs

@@ -0,0 +1,12 @@
+use crate::messages::prelude::*;
+
+#[impl_message(Message, BroadcastMessage, TriggerEvent)]
+#[derive(PartialEq, Eq, Clone, Debug, serde::Serialize, serde::Deserialize, Hash)]
+pub enum EventMessage {
+	/// Triggered by requestAnimationFrame in JS
+	AnimationFrame,
+	CanvasTransformed,
+	ToolAbort,
+	SelectionChanged,
+	WorkingColorChanged,
+}