feature #49734 [Messenger] Add a way to redispatch a message (fabpot)

This PR was merged into the 6.3 branch.

Discussion
----------

[Messenger] Add a way to redispatch a message

| Q             | A
| ------------- | ---
| Branch?       | 6.3
| Bug fix?      | no
| New feature?  | yes <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tickets       | n/a
| License       | MIT
| Doc PR        | -

This was part of the Scheduler PR, but was removed as it was controversial.
Instead of having it by default in Scheduler, I've made it generic in Messenger.

If one wants to use it with Scheduler, they can use this:

```php
new RedispatchMessage($msg, 'async');
```

Commits
-------

4c1dcfa591 [Messenger] Add a way to redispatch a message

Author: fabpot

Resources/config/messenger.php

@@ -24,6 +24,7 @@
 use Symfony\Component\Messenger\EventListener\StopWorkerOnCustomStopExceptionListener;
 use Symfony\Component\Messenger\EventListener\StopWorkerOnRestartSignalListener;
 use Symfony\Component\Messenger\EventListener\StopWorkerOnSignalsListener;
+use Symfony\Component\Messenger\Handler\RedispatchMessageHandler;
 use Symfony\Component\Messenger\Middleware\AddBusNameStampMiddleware;
 use Symfony\Component\Messenger\Middleware\DispatchAfterCurrentBusMiddleware;
 use Symfony\Component\Messenger\Middleware\FailedMessageProcessingMiddleware;
@@ -219,5 +220,11 @@
                 abstract_arg('message bus locator'),
                 service('messenger.default_bus'),
             ])
+
+        ->set('messenger.redispatch_message_handler', RedispatchMessageHandler::class)
+            ->args([
+                service('messenger.default_bus'),
+            ])
+            ->tag('messenger.message_handler')
     ;
 };