bug #6806 Change AdminRouterSubscriber::getSymfonyControllerFqcn so it generates relative paths (pacproduct)

This PR was merged into the 4.x branch.

Discussion
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Change AdminRouterSubscriber::getSymfonyControllerFqcn so it generates relative paths

Change the behavior of "\EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminRouterSubscriber::getSymfonyControllerFqcn" to generate relative path instead of absolute path, so it is compatible with applications running behind a proxy under a permanent subpath prefix (AKA sub-folder, sub-url or sub-path - using the HTTP header `x-forwarded-prefix`).

Linked issue: #6805

Commits
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e1ead89 Change AdminRouterSubscriber::getSymfonyControllerFqcn so it generates relative paths. 	Change the behavior of "\EasyCorp\Bundle\EasyAdminBundle\EventListener\AdminRouterSubscriber::getSymfonyControllerFqcn" 	to generate relative path instead of absolute, so it is compatible with applications running behind a proxy with a 	path prefix (AKA sub-folder, sub-url or sub-path - using the HTTP header "x-forwarded-prefix").

Author: javiereguiluz

src/EventListener/AdminRouterSubscriber.php

@@ -289,7 +289,7 @@ private function getSymfonyControllerFqcn(Request $request): ?string
     {
         $routeName = $request->query->get(EA::ROUTE_NAME);
         $routeParams = $request->query->all()[EA::ROUTE_PARAMS] ?? [];
-        $url = $this->urlGenerator->generate($routeName, $routeParams);
+        $url = $this->urlGenerator->generate($routeName, $routeParams, UrlGeneratorInterface::RELATIVE_PATH);
 
         $newRequest = $request->duplicate();
         $newRequest->attributes->remove('_controller');