fix: Limit the list of exposed apps to the used app

Signed-off-by: Joas Schilling <coding@schilljs.com>

Author: nickvergessen

lib/private/TemplateLayout.php

@@ -157,7 +157,7 @@ public function getPageTemplate(string $renderAs, string $appId): ITemplate {
 				$page->assign('appid', $appId);
 				$page->assign('bodyid', 'body-public');
 
-				$this->initialState->provideInitialState('core', 'apps', array_values($this->navigationManager->getAll()));
+				$this->initialState->provideInitialState('core', 'apps', [$this->navigationManager->get($appId)]);
 
 				// Set logo link target
 				$logoUrl = $this->config->getSystemValueString('logo_url', '');