Merge branch 'v3.2' into feature/cli_module

# Conflicts:
#	composer.json
#	composer.lock
#	lib/SP/Providers/Auth/Ldap/LdapMsAds.php
#	lib/SP/Services/Install/Installer.php
#	lib/SP/Util/Checks.php
#	lib/SP/Util/Link.php
#	public/js/app-actions.min.js
#	public/js/app-util.min.js
#	tests/res/scripts/reset_db.sh

app/modules/web/Controllers/InstallController.php

@@ -52,6 +52,12 @@ final class InstallController extends ControllerBase
      */
     public function indexAction()
     {
+        if ($this->configData->isInstalled()) {
+            $this->router->response()
+                ->redirect('index.php?r=login');
+            return;
+        }
+
         $layoutHelper = $this->dic->get(LayoutHelper::class);
         $layoutHelper->getPublicLayout('index', 'install');