refactor #864 Improve legacy book factory to use more bc-layer classes (loic425)

This PR was merged into the 1.11 branch.

Discussion
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| Q               | A
| --------------- | -----
| Bug fix?        | no
| New feature?    | no
| BC breaks?      | no
| Deprecations?   | no
| Related tickets | mentioned in #860
| License         | MIT

It handles this comment #860 (comment)

Commits
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fc3f488 Improve legacy book factory to use more bc-layer classes

Author: lchrusciel

tests/Application/src/Factory/LegacyBookFactory.php

@@ -14,9 +14,9 @@
 namespace App\Factory;
 
 use Sylius\Component\Resource\Exception\UnexpectedTypeException;
-use Sylius\Resource\Factory\FactoryInterface;
-use Sylius\Resource\Model\TranslatableInterface;
-use Sylius\Resource\Translation\Provider\TranslationLocaleProviderInterface;
+use Sylius\Component\Resource\Factory\FactoryInterface;
+use Sylius\Component\Resource\Model\TranslatableInterface;
+use Sylius\Component\Resource\Translation\Provider\TranslationLocaleProviderInterface;
 
 final class LegacyBookFactory implements BookFactoryInterface
 {