minor fixes

CRM/Grant/BAO/GrantProgram.php

@@ -256,7 +256,7 @@ WHERE civicrm_contact.id = $id ";
           'groupName' => 'msg_tpl_workflow_grant',
           'valueName' => 'grant_'.$valueName,
           'contactId' => $contactID,
-          'tplParams' => array_merge(['email' => $email], CRM_Utils_Array::value('tplParams', $params, [])),
+          'tplParams' => array_merge(['email' => $email], CRM_Utils_Array::value('tplParams', $values, [])),
           'PDFFilename' => '',
         );
 

CRM/Grant/Form/Task/GrantPayment.php

@@ -249,7 +249,7 @@ class CRM_Grant_Form_Task_GrantPayment extends CRM_Core_Form {
         CRM_Grant_BAO_GrantProgram::sendMail($dao->contact_id, $mailParams, 'Paid', $grantID, 'Approved for Payment');
       }
 
-      self::processPaymentDetails([
+      $grantPaymentRecord = self::processPaymentDetails([
         'trxn_id' => $trxnID,
         'batch_id' => $values['contribution_batch_id'],
         'description' => $description,