[BUGFIX] Show allowed HTTP methods for backend routes

Since #93455 it's possible to restrict backend routes to
a limited set of HTTP methods. This route property is now
also displayed in the corresponding "Backend Routes"
configuration module provider.

Resolves: #93623
Releases: master
Change-Id: Ibc2bff74894a8d5f0be571d290706909dd98c009
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/68163
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/lowlevel/Classes/ConfigurationModuleProvider/BackendRoutesProvider.php

@@ -35,7 +35,8 @@ public function getConfiguration(): array
         foreach ($this->router->getRoutes() as $identifier => $route) {
             $configurationArray[$identifier] = [
                 'path' => $route->getPath(),
-                'options' => $route->getOptions()
+                'options' => $route->getOptions(),
+                'methods' => implode(',', $route->getMethods()) ?: '*'
             ];
         }
         ArrayUtility::naturalKeySortRecursive($configurationArray);