Sandbox: Exclude transferable objects from near membrane proxy unboxing (#115016)

* Fixing so geomap works with sandbox

* Will not try to unbox transferable instances.

public/app/features/plugins/sandbox/utils.ts

@@ -78,11 +78,36 @@ export function unboxNearMembraneProxies(structure: unknown): unknown {
   if (Array.isArray(structure)) {
     return structure.map(unboxNearMembraneProxies);
   }
+
+  if (isTransferable(structure)) {
+    return structure;
+  }
+
   if (typeof structure === 'object') {
     return Object.keys(structure).reduce((acc, key) => {
       Reflect.set(acc, key, unboxNearMembraneProxies(Reflect.get(structure, key)));
       return acc;
     }, {});
   }
+
   return structure;
 }
+
+function isTransferable(structure: unknown): structure is Transferable {
+  // We should probably add all of the transferable types here.
+  // https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Transferable_objects
+  return (
+    structure instanceof ArrayBuffer ||
+    structure instanceof OffscreenCanvas ||
+    structure instanceof ImageBitmap ||
+    structure instanceof MessagePort ||
+    structure instanceof MediaSourceHandle ||
+    structure instanceof ReadableStream ||
+    structure instanceof WritableStream ||
+    structure instanceof TransformStream ||
+    structure instanceof AudioData ||
+    structure instanceof VideoFrame ||
+    structure instanceof RTCDataChannel ||
+    structure instanceof ArrayBuffer
+  );
+}