160 Change resolver to be similar to ChangePassword

Author: ArturoI

app/code/Magento/CustomerGraphQl/Model/Resolver/Customer/Account/RevokeCustomerToken.php

@@ -61,15 +61,17 @@ public function resolve(
         array $value = null,
         array $args = null
     ): Value {
-        if ((!$context->getUserId()) || $context->getUserType() == UserContextInterface::USER_TYPE_GUEST) {
+
+        $customerId = (int) $this->userContext->getUserId();
+
+        if ($customerId === 0) {
             throw new GraphQlAuthorizationException(
                 __(
                     'Current customer does not have access to the resource "%1"',
                     [\Magento\Customer\Model\Customer::ENTITY]
                 )
             );
         }
-        $customerId = $context->getUserId();
 
         $result = function () use ($customerId) {
             return $this->customerTokenService->revokeCustomerAccessToken($customerId);