Add category field to apps that are only known from the app store

Signed-off-by: Julius Härtl <jus@bitgrid.net>

settings/Controller/AppSettingsController.php

@@ -253,6 +253,7 @@ class AppSettingsController extends Controller {
 		$apps = array_map(function($appData) use ($dependencyAnalyzer) {
 			$appstoreData = $appData['appstoreData'];
 			$appData['screenshot'] = isset($appstoreData['screenshots'][0]['url']) ? 'https://usercontent.apps.nextcloud.com/'.base64_encode($appstoreData['screenshots'][0]['url']) : '';
+			$appData['category'] = $appstoreData['categories'];
 
 			$newVersion = $this->installer->isUpdateAvailable($appData['id']);
 			if($newVersion && $this->appManager->isInstalled($appData['id'])) {