[Fizz] use microtasks rather than tasks when scheduling work while prerendering (#30770)

Similar to #30768 we want to
schedule work during prerendering in microtasks both for the root task
and pings. We continue to schedule flushes as Tasks to allow as much
work to be batched up as possible.

DiffTrain build for [ab24f64](ab24f64)

Author: gnoff

compiled/facebook-www/REVISION

@@ -1 +1 @@
-85180b8cf84274795986c8f2c8473f8816db8b7b
+ab24f643d0809ee09a7499862fef135fb09a0225

compiled/facebook-www/REVISION_TRANSFORMS

@@ -1 +1 @@
-85180b8cf84274795986c8f2c8473f8816db8b7b
+ab24f643d0809ee09a7499862fef135fb09a0225

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

@@ -2001,7 +2001,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.0.0-www-classic-85180b8c-20240820";
+    exports.version = "19.0.0-www-classic-ab24f643-20240821";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

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

@@ -1981,7 +1981,7 @@ __DEV__ &&
     exports.useTransition = function () {
       return resolveDispatcher().useTransition();
     };
-    exports.version = "19.0.0-www-modern-85180b8c-20240820";
+    exports.version = "19.0.0-www-modern-ab24f643-20240821";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

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

@@ -665,4 +665,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.0.0-www-classic-85180b8c-20240820";
+exports.version = "19.0.0-www-classic-ab24f643-20240821";

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

@@ -665,4 +665,4 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.0.0-www-modern-85180b8c-20240820";
+exports.version = "19.0.0-www-modern-ab24f643-20240821";

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

@@ -669,7 +669,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.0.0-www-classic-85180b8c-20240820";
+exports.version = "19.0.0-www-classic-ab24f643-20240821";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

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

@@ -669,7 +669,7 @@ exports.useSyncExternalStore = function (
 exports.useTransition = function () {
   return ReactSharedInternals.H.useTransition();
 };
-exports.version = "19.0.0-www-modern-85180b8c-20240820";
+exports.version = "19.0.0-www-modern-ab24f643-20240821";
 "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
   "function" ===
     typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

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

@@ -16776,11 +16776,11 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.0.0-www-classic-85180b8c-20240820",
+        version: "19.0.0-www-classic-ab24f643-20240821",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
         findFiberByHostInstance: getInstanceFromNode,
-        reconcilerVersion: "19.0.0-www-classic-85180b8c-20240820"
+        reconcilerVersion: "19.0.0-www-classic-ab24f643-20240821"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -16814,7 +16814,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.0.0-www-classic-85180b8c-20240820";
+    exports.version = "19.0.0-www-classic-ab24f643-20240821";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&

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

@@ -16189,11 +16189,11 @@ __DEV__ &&
     (function () {
       var internals = {
         bundleType: 1,
-        version: "19.0.0-www-modern-85180b8c-20240820",
+        version: "19.0.0-www-modern-ab24f643-20240821",
         rendererPackageName: "react-art",
         currentDispatcherRef: ReactSharedInternals,
         findFiberByHostInstance: getInstanceFromNode,
-        reconcilerVersion: "19.0.0-www-modern-85180b8c-20240820"
+        reconcilerVersion: "19.0.0-www-modern-ab24f643-20240821"
       };
       internals.overrideHookState = overrideHookState;
       internals.overrideHookStateDeletePath = overrideHookStateDeletePath;
@@ -16227,7 +16227,7 @@ __DEV__ &&
     exports.Shape = Shape;
     exports.Surface = Surface;
     exports.Text = Text;
-    exports.version = "19.0.0-www-modern-85180b8c-20240820";
+    exports.version = "19.0.0-www-modern-ab24f643-20240821";
     "undefined" !== typeof __REACT_DEVTOOLS_GLOBAL_HOOK__ &&
       "function" ===
         typeof __REACT_DEVTOOLS_GLOBAL_HOOK__.registerInternalModuleStop &&