refactor: split buspro ApiClient into domain clients

tests/Service/BookingEditDataLoaderDraftRestoreTest.php

@@ -4,7 +4,7 @@ declare(strict_types=1);
 
 namespace App\Tests\Service;
 
-use App\BusProNet\ApiClient;
+use App\BusProNet\Client\BookingClient;
 use App\BusProNet\DataProcessor\BookingDataProcessor;
 use App\BusProNet\Model\BaseData;
 use App\BusProNet\Model\Booking;
@@ -111,7 +111,7 @@ class BookingEditDataLoaderDraftRestoreTest extends TestCase
         $crypt->method('decrypt')->willReturn('secret');
 
         return new BookingEditDataLoader(
-            $this->createStub(ApiClient::class),
+            $this->createStub(BookingClient::class),
             $bookingDataProcessor,
             $this->createStub(BookingSessionManager::class),
             new BookingChangeTracker(),