FIX #17773 TIME 0:05 always get mailevaConfig uri without trailing slash

src/core/models/CoreConfigModel.php

@@ -232,7 +232,7 @@ class CoreConfigModel
 
             $mailevaConfig['enabled']       = $configuration['enabled'];
             $mailevaConfig['connectionUri'] = $configuration['authUri'];
-            $mailevaConfig['uri']           = $configuration['uri'];
+            $mailevaConfig['uri']           = rtrim($configuration['uri'], '/');
 
             if (!empty($mailevaConfig['uri']) && $mailevaConfig['uri'] == 'https://api.maileva.com') {
                 $mailevaConfig['clientId'] = '69d315c2b3694accbce85f2871add37d';