Fix layers losing their names upon being grouped (#1637)

* no message

* no message

* no message

* Make layers reserve their names when grouped

* remove redundancy

* replace String::from("") with String::new()

* Fix test

* Restore unrequested line break changes

* Avoid unwraps

---------

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

editor/src/messages/tool/tool_messages/brush_tool.rs

@@ -427,6 +427,7 @@ fn new_brush_layer(document: &DocumentMessageHandler, responses: &mut VecDeque<M
 		nodes: HashMap::from([(NodeId(0), brush_node)]),
 		parent: document.new_layer_parent(),
 		insert_index: -1,
+		alias: String::new(),
 	});
 	responses.add(NodeGraphMessage::SelectedNodesSet { nodes: vec![id] });
 

editor/src/messages/tool/tool_messages/select_tool.rs

@@ -341,7 +341,13 @@ impl SelectToolData {
 			let id = NodeId(generate_uuid());
 			let insert_index = -1;
 			let layer = LayerNodeIdentifier::new_unchecked(id);
-			responses.add(GraphOperationMessage::NewCustomLayer { id, nodes, parent, insert_index });
+			responses.add(GraphOperationMessage::NewCustomLayer {
+				id,
+				nodes,
+				parent,
+				insert_index,
+				alias: String::new(),
+			});
 			new_dragging.push(layer);
 		}
 		let nodes = new_dragging.iter().map(|layer| layer.to_node()).collect();