Issue #2293803: Replace confirm password field with show/hide functionality

core/lib/Drupal/Core/Command/InstallCommand.php

@@ -184,10 +184,7 @@ protected function install($class_loader, SymfonyStyle $io, $profile, $langcode,
           'account' => [
             'name' => 'admin',
             'mail' => 'admin@localhost',
-            'pass' => [
-              'pass1' => $password,
-              'pass2' => $password,
-            ],
+            'pass' => $password,
           ],
           'enable_update_status_module' => TRUE,
           // \Drupal\Core\Render\Element\Checkboxes::valueCallback() requires