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

src/Repository/Paginator/LoaderQueryPaginator.php

@@ -0,0 +1,73 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Repository\Paginator;
+
+use App\Repository\Loader\LoaderInterface;
+use Doctrine\ORM\Query;
+
+/**
+ * @template T
+ * @implements PaginatorInterface<T>
+ */
+final class LoaderQueryPaginator implements PaginatorInterface
+{
+    /**
+     * @param LoaderInterface<T> $loader
+     * @param Query<T> $query
+     * @param int<0, max> $results
+     */
+    public function __construct(
+        private readonly LoaderInterface $loader,
+        private readonly Query $query,
+        private readonly int $results
+    )
+    {
+    }
+
+    public function getNbResults(): int
+    {
+        return $this->results;
+    }
+
+    /**
+     * @return iterable<array-key, T>
+     */
+    public function getSlice(int $offset, int $length): iterable
+    {
+        /** @var Query<null, T> $query */
+        $query = $this->query
+            ->setFirstResult($offset)
+            ->setMaxResults($length);
+
+        return $this->getResults($query);
+    }
+
+    /**
+     * @param Query<null, T> $query
+     * @return iterable<array-key, T>
+     */
+    private function getResults(Query $query): iterable
+    {
+        /** @var array<T> $results */
+        $results = $query->execute();
+
+        $this->loader->loadResults($results);
+
+        return $results;
+    }
+
+    /**
+     * @return iterable<array-key, T>
+     */
+    public function getAll(): iterable
+    {
+        return $this->getResults($this->query);
+    }
+}