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/frontend/frontend_message.rs

@@ -335,9 +335,9 @@ pub enum FrontendMessage {
 		active: bool,
 	},
 	#[cfg(not(target_family = "wasm"))]
-	RenderOverlays(
+	RenderOverlays {
 		#[serde(skip, default = "OverlayContext::default")]
 		#[derivative(Debug = "ignore", PartialEq = "ignore")]
-		OverlayContext,
-	),
+		context: OverlayContext,
+	},
 }