[playground] Fix syntax error from crashing the Compiler playground (facebook#34623)

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## Summary

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does the pull request solve?
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Fixes a syntax error causing the Compiler playground to crash. Resolves
facebook#34622.

## How did you test this change?

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Tested locally and added a test.

<img width="1470" height="836" alt="Screenshot 2025-09-27 at 8 13 07 AM"
src="https://github.com/user-attachments/assets/29473682-94c3-49dc-9ee9-c2004062aaea"
/>

DiffTrain build for [06fcc8f](facebook@06fcc8f)

Author: pull[bot]

compiled/facebook-www/REVISION

@@ -1 +1 @@
-4b3e662e4ce54eb54a8701c48a967cc84a389501
+06fcc8f380c6a905c7bc18d94453f623cf8cbc81

compiled/facebook-www/REVISION_TRANSFORMS

@@ -1 +1 @@
-4b3e662e4ce54eb54a8701c48a967cc84a389501
+06fcc8f380c6a905c7bc18d94453f623cf8cbc81

compiled/facebook-www/React-dev.classic.js

@@ -1460,7 +1460,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.3.0-www-classic-4b3e662e-20251008";
+    exports.version = "19.3.0-www-classic-06fcc8f3-20251009";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-dev.modern.js

@@ -1460,7 +1460,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.3.0-www-modern-4b3e662e-20251008";
+    exports.version = "19.3.0-www-modern-06fcc8f3-20251009";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-prod.classic.js

@@ -606,4 +606,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.3.0-www-classic-4b3e662e-20251008";
+exports.version = "19.3.0-www-classic-06fcc8f3-20251009";

compiled/facebook-www/React-prod.modern.js

@@ -606,4 +606,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.3.0-www-modern-4b3e662e-20251008";
+exports.version = "19.3.0-www-modern-06fcc8f3-20251009";

compiled/facebook-www/React-profiling.classic.js

@@ -610,7 +610,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.3.0-www-classic-4b3e662e-20251008";
+exports.version = "19.3.0-www-classic-06fcc8f3-20251009";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/React-profiling.modern.js

@@ -610,7 +610,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.3.0-www-modern-4b3e662e-20251008";
+exports.version = "19.3.0-www-modern-06fcc8f3-20251009";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/ReactART-dev.classic.js

@@ -20348,10 +20348,10 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.3.0-www-classic-4b3e662e-20251008",
+        version: "19.3.0-www-classic-06fcc8f3-20251009",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
-        reconcilerVersion: "19.3.0-www-classic-4b3e662e-20251008"
+        reconcilerVersion: "19.3.0-www-classic-06fcc8f3-20251009"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -20386,7 +20386,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.3.0-www-classic-4b3e662e-20251008";
+    exports.version = "19.3.0-www-classic-06fcc8f3-20251009";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

compiled/facebook-www/ReactART-dev.modern.js

@@ -20119,10 +20119,10 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.3.0-www-modern-4b3e662e-20251008",
+        version: "19.3.0-www-modern-06fcc8f3-20251009",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
-        reconcilerVersion: "19.3.0-www-modern-4b3e662e-20251008"
+        reconcilerVersion: "19.3.0-www-modern-06fcc8f3-20251009"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -20157,7 +20157,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.3.0-www-modern-4b3e662e-20251008";
+    exports.version = "19.3.0-www-modern-06fcc8f3-20251009";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&