ENGCOM-2593: [Forwardport] Fixed set template syntax in block file #16805

 - Merge Pull Request #16805 from gelanivishal/magento2:2.3-develop-PR-port-15339
 - Merged commits:
   1. 98cc752
   2. 4499034
   3. b405dfa

Author: magento-engcom-team

app/code/Magento/Paypal/Block/Adminhtml/System/Config/ApiWizard.php

@@ -13,7 +13,7 @@ class ApiWizard extends \Magento\Config\Block\System\Config\Form\Field
     /**
      * Path to block template
      */
-    const WIZARD_TEMPLATE = 'system/config/api_wizard.phtml';
+    const WIZARD_TEMPLATE = 'Magento_Paypal::system/config/api_wizard.phtml';
 
     /**
      * Set template to itself

app/code/Magento/Paypal/Block/Adminhtml/System/Config/BmlApiWizard.php

@@ -11,7 +11,7 @@ class BmlApiWizard extends ApiWizard
     /**
      * Path to block template
      */
-    const WIZARD_TEMPLATE = 'system/config/bml_api_wizard.phtml';
+    const WIZARD_TEMPLATE = 'Magento_Paypal::system/config/bml_api_wizard.phtml';
 
     /**
      * Get the button and scripts contents

app/code/Magento/User/Block/Role/Tab/Users.php

@@ -45,7 +45,9 @@ protected function _construct()
         $roleId = $this->getRequest()->getParam('rid', false);
         /** @var \Magento\User\Model\ResourceModel\User\Collection $users */
         $users = $this->_userCollectionFactory->create()->load();
-        $this->setTemplate('role/users.phtml')->assign('users', $users->getItems())->assign('roleId', $roleId);
+        $this->setTemplate('role/users.phtml')
+             ->assign('users', $users->getItems())
+             ->assign('roleId', $roleId);
     }
 
     /**