v13 fixes and config updates

config/system/settings.php

@@ -78,6 +78,7 @@ return [
             'dateTimeNotRequired' => '0',
             'hidePageTreeForAdministrationModule' => '0',
             'manualSorting' => '0',
+            'pageTreePluginPreview' => '1',
             'prependAtCopy' => '1',
             'resourceFolderImporter' => '/news_import',
             'rteForTeaser' => '0',
@@ -132,7 +133,6 @@ return [
     'GFX' => [
         'jpg_quality' => '80',
         'processor' => 'ImageMagick',
-        'processor_allowTemporaryMasksAsPng' => 0,
         'processor_colorspace' => 'RGB',
         'processor_effects' => false,
         'processor_enabled' => '1',
@@ -202,12 +202,10 @@ return [
         'displayErrors' => 1,
         'encryptionKey' => 'efccad22f08ec986fda57f4e46959a58eb14d68c3f43726306c7850ba81e5ae0bc621f40cf3ab47589bbef1c3f23f96f',
         'exceptionalErrors' => 4096,
-        'features' => [
-            'security.usePasswordPolicyForFrontendUsers' => true,
-        ],
-        'sitename' => 'Carte da legare',
+        'features' => [],
         'lang' => [
             'requireApprovedLocalizations' => false,
         ],
+        'sitename' => 'Carte da legare',
     ],
 ];