Custom SMTP Settings (#561)

* Custom SMTP Settings

* Fix lint

* Custom SMTP add in Pricing plan

* Allow reset email settings

* improve custom SMTP using seprate abstract class

* test case for custom SMTP

* fix test case

* UI improvement

* add CASHIER_KEY in phpunit for testcase

* Attempt to fix tests

* Run pint and attempt to fix cache tests

* Fix user management tests

* Fix code linters

* Merged main & fix linting

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Co-authored-by: Julien Nahum <julien@nahum.net>

api/app/Integrations/Google/Google.php

@@ -27,7 +27,7 @@ class Google
 
     public function getClient(): Client
     {
-        if($this->client->isAccessTokenExpired()) {
+        if ($this->client->isAccessTokenExpired()) {
             $this->refreshToken();
         }