Be resilient to prepareStackTrace being set while parsing

Author: sebmarkbage

packages/react-devtools-shared/src/backend/DevToolsOwnerStack.js

@@ -21,7 +21,11 @@ function filterDebugStack(error: Error): string {
   // to save bandwidth even in DEV. We'll also replay these stacks on the client so by
   // stripping them early we avoid that overhead. Otherwise we'd normally just rely on
   // the DevTools or framework's ignore lists to filter them out.
+  const prevPrepareStackTrace = Error.prepareStackTrace;
+  // $FlowFixMe[incompatible-type] It does accept undefined.
+  Error.prepareStackTrace = undefined;
   let stack = error.stack;
+  Error.prepareStackTrace = prevPrepareStackTrace;
   if (stack.startsWith('Error: react-stack-top-frame\n')) {
     // V8's default formatting prefixes with the error message which we
     // don't want/need.