fixup! opt-out of resource semantics when using data attributes

Author: gnoff

packages/react-dom/src/client/ReactDOMFloatResources.js

@@ -212,7 +212,7 @@ export function isResource(type: string, props: Object): boolean {
   if (key) {
     // This is potentially a Resource. We need to check if props contain
     // data attributes. Resources do not support data attributes.
-    for (let prop in props) {
+    for (const prop in props) {
       if (prop.startsWith('data-')) {
         return false;
       }

packages/react-dom/src/server/ReactDOMFloatServer.js

@@ -413,7 +413,7 @@ export function resourcesFromLink(props: Object): boolean {
 // returns false if props object contains any props which invalidate
 // treating the element entirely as a Resource
 function validateResourceProps(props: Object): boolean {
-  for (let prop in props) {
+  for (const prop in props) {
     if (prop.toLowerCase().startsWith('data-')) {
       return false;
     }