Desktop: Fix missing resize events causing all-gray window on Mac after launch (#3445)

* okayish solution

should be improved at some point but for now it works well enough.

* do leftover renames

* better solution

* less weird resize frames

* move surface reconfiguration

* fix recent desktop mac breakages

* better looking resize on mac

* fix background color

* Fix blank screen on window initialization

* cleanup

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

editor/src/messages/layout/layout_message_handler.rs

@@ -488,7 +488,7 @@ impl LayoutMessageHandler {
 		if layout_target == LayoutTarget::MenuBar {
 			widget_diffs = vec![WidgetDiff {
 				widget_path: Vec::new(),
-				new_value: DiffUpdate::Layout(current.layout.clone()),
+				new_value: DiffUpdate::Layout(self.layouts[LayoutTarget::MenuBar as usize].clone()),
 			}];
 		}