MAGECLOUD-2736: Magento can't install with custom DB configuration on cloud

Author: oshmyheliuk

src/App/Container.php

@@ -235,8 +235,8 @@ function () {
                         $this->container->make(\Magento\MagentoCloud\Process\ValidateConfiguration::class, [
                             'validators' => [
                                 ValidatorInterface::LEVEL_CRITICAL => [
-                                    $this->container->make(ConfigValidator\Deploy\AdminEmail::class),
                                     $this->container->make(ConfigValidator\Deploy\DatabaseConfiguration::class),
+                                    $this->container->make(ConfigValidator\Deploy\AdminEmail::class),
                                     $this->container->make(ConfigValidator\Deploy\SessionConfiguration::class),
                                 ],
                                 ValidatorInterface::LEVEL_WARNING => [