[BUGFIX] Allow additional parameters in static routes

If the static route value is using additionalParams, they should
be added to the page that is fetched.

The patch parses the "parameters" key (&my=value&key=1) into
additional parameters of the PageRouter.

Resolves: #87087
Releases: master, 9.5
Change-Id: I8688e891d1b6bfda3a546eb13812bbb80dfea1c1
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/62891
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Tested-by: Susanne Moog <look@susi.dev>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Susanne Moog <look@susi.dev>

typo3/sysext/frontend/Classes/Middleware/StaticRouteResolver.php

@@ -120,9 +120,16 @@ protected function getFromUri(string $uri): array
      */
     protected function getPageUri(ServerRequestInterface $request, Site $site, array $urlParams): string
     {
+        $parameters = [];
+        // Add additional parameters, if set via TypoLink
+        if (isset($urlParams['parameters'])) {
+            parse_str($urlParams['parameters'], $parameters);
+        }
+        $parameters['type'] = $urlParams['pagetype'] ?? 0;
+        $parameters['_language'] = $request->getAttribute('language', null);
         $uri = $site->getRouter()->generateUri(
             (int)$urlParams['pageuid'],
-            ['type' => $urlParams['pagetype'] ?? 0, '_language' => $request->getAttribute('language', null)],
+            $parameters,
             '',
             RouterInterface::ABSOLUTE_URL
         );