Update rbx-dom (#1023)

src/tree_view.rs

@@ -1,9 +1,10 @@
 //! Utiilty that helps redact nondeterministic information from trees so that
 //! they can be part of snapshot tests.
 
-use std::collections::HashMap;
-
-use rbx_dom_weak::types::{Ref, Variant};
+use rbx_dom_weak::{
+    types::{Ref, Variant},
+    Ustr, UstrMap,
+};
 use rojo_insta_ext::RedactionMap;
 use serde::Serialize;
 
@@ -34,8 +35,8 @@ pub fn intern_tree(tree: &RojoTree, redactions: &mut RedactionMap) {
 struct InstanceView {
     id: Ref,
     name: String,
-    class_name: String,
-    properties: HashMap<String, Variant>,
+    class_name: Ustr,
+    properties: UstrMap<Variant>,
     metadata: InstanceMetadata,
     children: Vec<InstanceView>,
 }
@@ -46,7 +47,7 @@ fn extract_instance_view(tree: &RojoTree, id: Ref) -> InstanceView {
     InstanceView {
         id: instance.id(),
         name: instance.name().to_owned(),
-        class_name: instance.class_name().to_owned(),
+        class_name: instance.class_name(),
         properties: instance.properties().clone(),
         metadata: instance.metadata().clone(),
         children: instance