Fix sending platform-specific shortcut keys to frontend before editor is initialized with the platform set

editor/src/messages/layout/layout_message_handler.rs

@@ -13,7 +13,7 @@ pub struct LayoutMessageContext<'a> {
 
 #[derive(Debug, Clone, Default, ExtractField)]
 pub struct LayoutMessageHandler {
-	layouts: [Layout; LayoutTarget::LayoutTargetLength as usize],
+	layouts: [Layout; LayoutTarget::_LayoutTargetLength as usize],
 }
 
 #[message_handler_data]
@@ -518,7 +518,8 @@ impl LayoutMessageHandler {
 			LayoutTarget::WelcomeScreenButtons => FrontendMessage::UpdateWelcomeScreenButtonsLayout { diff },
 			LayoutTarget::WorkingColors => FrontendMessage::UpdateWorkingColorsLayout { diff },
 
-			LayoutTarget::LayoutTargetLength => panic!("`LayoutTargetLength` is not a valid Layout Target and is used for array indexing"),
+			// KEEP THIS ENUM LAST
+			LayoutTarget::_LayoutTargetLength => panic!("`_LayoutTargetLength` is not a valid `LayoutTarget` and is used for array indexing"),
 		};
 
 		responses.add(message);

editor/src/messages/layout/utility_types/layout_widget.rs

@@ -56,7 +56,7 @@ pub enum LayoutTarget {
 
 	// KEEP THIS ENUM LAST
 	// This is a marker that is used to define an array that is used to hold widgets
-	LayoutTargetLength,
+	_LayoutTargetLength,
 }
 
 /// For use by structs that define a UI widget layout by implementing the layout() function belonging to this trait.