[Flight] Support postponing through a serialized promise (#27818)

Postponing in a promise that is being serialized to the client from the
server should be possible however prior to this change Flight treated
this case like an error rather than a postpone. This fix adds support
for postponing in this position and adds a test asserting you can
successfully prerender the root if you unwrap this promise inside a
suspense boundary.

DiffTrain build for [5bcade5](5bcade5)

compiled/facebook-www/REVISION

@@ -1 +1 @@
-8ff2c236a233a78c18d6f524dd74baec9153fd37
+5bcade5fcf5610e82e7cda05cc6de574bdace0c7

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

@@ -16449,7 +16449,7 @@ Internals.Events = [
 var devToolsConfig$jscomp$inline_1784 = {
   findFiberByHostInstance: getClosestInstanceFromNode,
   bundleType: 0,
-  version: "18.3.0-www-modern-ade0aaf2",
+  version: "18.3.0-www-modern-faf29095",
   rendererPackageName: "react-dom"
 };
 var internals$jscomp$inline_2140 = {
@@ -16480,7 +16480,7 @@ var internals$jscomp$inline_2140 = {
   scheduleRoot: null,
   setRefreshHandler: null,
   getCurrentFiber: null,
-  reconcilerVersion: "18.3.0-www-modern-ade0aaf2"
+  reconcilerVersion: "18.3.0-www-modern-faf29095"
 };
 if ("undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__) {
   var hook$jscomp$inline_2141 = __REACT_DEVTOOLS_GLOBAL_HOOK__;
@@ -16896,4 +16896,4 @@ exports.useFormState = function () {
 exports.useFormStatus = function () {
   throw Error(formatProdErrorMessage(248));
 };
-exports.version = "18.3.0-www-modern-ade0aaf2";
+exports.version = "18.3.0-www-modern-faf29095";

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

@@ -1408,11 +1408,15 @@ if (__DEV__) {
           pingTask(request, newTask);
         },
         function (reason) {
-          newTask.status = ERRORED;
-          request.abortableTasks.delete(newTask); // TODO: We should ideally do this inside performWork so it's scheduled
+          {
+            newTask.status = ERRORED;
+
+            var _digest = logRecoverableError(request, reason);
+
+            emitErrorChunk(request, newTask.id, _digest, reason);
+          }
 
-          var digest = logRecoverableError(request, reason);
-          emitErrorChunk(request, newTask.id, digest, reason);
+          request.abortableTasks.delete(newTask);
 
           if (request.destination !== null) {
             flushCompletedChunks(request, request.destination);

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

@@ -585,9 +585,9 @@ function serializeThenable(request, thenable) {
     },
     function (reason) {
       newTask.status = 4;
-      request.abortableTasks.delete(newTask);
       reason = logRecoverableError(request, reason);
       emitErrorChunk(request, newTask.id, reason);
+      request.abortableTasks.delete(newTask);
       null !== request.destination &&
         flushCompletedChunks(request, request.destination);
     }

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

@@ -25929,7 +25929,7 @@ if (__DEV__) {
       return root;
     }
 
-    var ReactVersion = "18.3.0-www-modern-a95f6e9d";
+    var ReactVersion = "18.3.0-www-modern-7278ec4c";
 
     // Might add PROFILE later.