refactored repositories and DB queries (#5026)

* removed unused teams from export order
* added new paginator for query instead of querybuilder
* added field hydrate enums
* hide PARTIAL deprecation
* never log deprecations in production
* replaced InvoiceLoader with native Doctrine feature
* prevent excessive permission queries
* support loading customers of team
* improved findByIds
* internalized API
* fix null string deprecations

public/index.php

@@ -4,6 +4,9 @@ use App\Kernel;
 
 require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
 
+// TODO remove once PARTIAL usage was replaced entirely
+\Doctrine\Deprecations\Deprecation::ignoreDeprecations('https://github.com/doctrine/orm/issues/8471');
+
 return function (array $context) {
     return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
 };