Allow Suspense Mismatch on the Client to Silently Proceed

This fixes but isn't actually the semantics that we want this case to have.

Author: sebmarkbage

packages/react-reconciler/src/ReactFiberHydrationContext.js

@@ -404,11 +404,10 @@ function skipPastDehydratedSuspenseInstance(
   let suspenseState: null | SuspenseState = fiber.memoizedState;
   let suspenseInstance: null | SuspenseInstance =
     suspenseState !== null ? suspenseState.dehydrated : null;
-  invariant(
-    suspenseInstance,
-    'Expected to have a hydrated suspense instance. ' +
-      'This error is likely caused by a bug in React. Please file an issue.',
-  );
+  if (suspenseInstance === null) {
+    // This Suspense boundary was hydrated without a match.
+    return nextHydratableInstance;
+  }
   return getNextHydratableInstanceAfterSuspenseInstance(suspenseInstance);
 }