[BUGFIX] Do not use AdminPanel reference in EXT:frontend code

With this change an undefined symbol is included when not having
AdminPanel loaded: https://review.typo3.org/c/Packages/TYPO3.CMS/+/66218

This change aims to change the logic for checking if the preview
flag is enabled.

Resolves: #92746
Reverts: #92242
Releases: master, 10.4, 9.5
Change-Id: I1005424a86f1ced595b23938bd6dcc70ff2f00c9
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/66588
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/core/Classes/Context/VisibilityAspect.php

@@ -76,6 +76,11 @@ public function get(string $name)
         throw new AspectPropertyNotFoundException('Property "' . $name . '" not found in Aspect "' . __CLASS__ . '".', 1527780439);
     }
 
+    public function includeHidden(): bool
+    {
+        return $this->includeHiddenContent || $this->includeHiddenPages;
+    }
+
     public function includeHiddenPages(): bool
     {
         return $this->includeHiddenPages;

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

@@ -21,7 +21,6 @@
 use Psr\Http\Message\ServerRequestInterface;
 use Psr\Http\Server\MiddlewareInterface;
 use Psr\Http\Server\RequestHandlerInterface;
-use TYPO3\CMS\Adminpanel\Utility\StateUtility;
 use TYPO3\CMS\Core\Context\Context;
 use TYPO3\CMS\Core\Context\DateTimeAspect;
 use TYPO3\CMS\Core\Context\UserAspect;
@@ -58,7 +57,8 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
         if ((bool)$this->context->getPropertyFromAspect('backend.user', 'isLoggedIn', false)) {
             $simulatingDate = $this->simulateDate($request);
             $simulatingGroup = $this->simulateUserGroup($request);
-            $isPreview = (int)($simulatingDate || $simulatingGroup || StateUtility::isActivatedForUser());
+            $showHiddenRecords = ($this->context->hasAspect('visibility') ? $this->context->getAspect('visibility')->includeHidden() : false);
+            $isPreview = (int)($simulatingDate || $simulatingGroup || $showHiddenRecords);
             $previewAspect = GeneralUtility::makeInstance(PreviewAspect::class, $isPreview);
             $this->context->setAspect('frontend.preview', $previewAspect);
         }