FRW-8773 Fixed new address creating for companies (#2549)

CC-34128 Fixed the creation of new addresses for companies.

src/SprykerShop/Yves/CompanyPage/Form/CompanyUnitAddressForm.php

@@ -21,6 +21,7 @@
 
 /**
  * @method \SprykerShop\Yves\CompanyPage\CompanyPageConfig getConfig()
+ * @method \SprykerShop\Yves\CompanyPage\CompanyPageFactory getFactory()
  */
 class CompanyUnitAddressForm extends AbstractType
 {
@@ -155,6 +156,7 @@ protected function addFkCompanyField(FormBuilderInterface $builder, array $optio
             'required' => true,
             'constraints' => [
                 $this->createNotBlankConstraint(),
+                $this->getFactory()->createCompanyUserRelationConstraint(),
             ],
         ]);