Update Token.php (#755)

Follow up of #753

---

What a failure.. After validating the issuer with the tenant domain, we
still throw'd the exception...
It must not fall through this validation succeeds.

Perhaps a unit test is required for this.

Signed-off-by: ramonschriks <ramon.nmgn@live.nl>

src/Token.php

@@ -281,9 +281,9 @@ public function validate(
         } catch (InvalidTokenException $invalidTokenException) {
             if ($tenantDomain !== $tokenIssuer) {
                 $validator->issuer($tenantDomain);
+            } else {
+                throw $invalidTokenException;
             }
-
-            throw $invalidTokenException;
         }
 
         $validator