[BUGFIX] Use module state of reports module

The reports module stores its latest action selection in
backend user uc and should select that action on next
call again. This broke with the refactoring of #84231

Resolves: #86318
Related: #84231
Releases: master
Change-Id: If3cfe27361bcdc7b15c2f1cfaa34a8cc0c1e88c9
Reviewed-on: https://review.typo3.org/58336
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>

typo3/sysext/reports/Classes/Controller/ReportController.php

@@ -79,7 +79,7 @@ public function __construct()
      */
     public function handleRequest(ServerRequestInterface $request): ResponseInterface
     {
-        $action = $request->getQueryParams()['action'] ?? $request->getParsedBody()['action'] ?? 'index';
+        $action = $request->getQueryParams()['action'] ?? $request->getParsedBody()['action'] ?? '';
         $extension = $request->getQueryParams()['extension'] ?? $request->getParsedBody()['extension'];
         $isRedirect = $request->getQueryParams()['redirect'] ?? $request->getParsedBody()['redirect'] ?? false;
 
@@ -96,6 +96,9 @@ public function handleRequest(ServerRequestInterface $request): ResponseInterfac
                 ]), 303);
             }
         }
+        if (empty($action)) {
+            $action = 'index';
+        }
 
         $this->initializeView($action);