Clean up old usages of NodeId(generate_uuid()) by replacing it with NodeId::new() (#2009)

Replace all `NodeId(generate_uuid())` with `NodeId::new()`

editor/src/messages/dialog/new_document_dialog/new_document_dialog_message_handler.rs

@@ -2,7 +2,6 @@ use crate::messages::layout::utility_types::widget_prelude::*;
 use crate::messages::prelude::*;
 
 use graph_craft::document::NodeId;
-use graphene_core::uuid::generate_uuid;
 
 use glam::{IVec2, UVec2};
 
@@ -27,7 +26,7 @@ impl MessageHandler<NewDocumentDialogMessage, ()> for NewDocumentDialogMessageHa
 				let create_artboard = !self.infinite && self.dimensions.x > 0 && self.dimensions.y > 0;
 				if create_artboard {
 					responses.add(GraphOperationMessage::NewArtboard {
-						id: NodeId(generate_uuid()),
+						id: NodeId::new(),
 						artboard: graphene_core::Artboard::new(IVec2::ZERO, self.dimensions.as_ivec2()),
 					});
 				}