dev/core#2914 Fix for incorrect sent count in message

CRM/Contact/Form/Task/EmailTrait.php

@@ -391,10 +391,10 @@ public function submit($formValues): void {
       // has no meaning for followup activities, and this doesn't prevent
       // creating more manually if desired.
       $followupStatus = $this->createFollowUpActivities($formValues, $activityIds[0]);
-      $count_success = count($this->_toContactDetails);
+
       CRM_Core_Session::setStatus(ts('One message was sent successfully. ', [
         'plural' => '%count messages were sent successfully. ',
-        'count' => $count_success,
+        'count' => $sent,
       ]) . $followupStatus, ts('Message Sent', ['plural' => 'Messages Sent', 'count' => $count_success]), 'success');
     }
 
@@ -737,7 +737,7 @@ protected function sendEmail(
 
     $userID = CRM_Core_Session::getLoggedInContactID();
 
-    $sent = $notSent = [];
+    $sent = 0;
     $attachmentFileIds = [];
     $activityIds = [];
     $firstActivityCreated = FALSE;
@@ -755,7 +755,6 @@ protected function sendEmail(
         'disableSmarty' => !CRM_Utils_Constant::value('CIVICRM_MAIL_SMARTY'),
       ]);
 
-      $sent = FALSE;
       // To minimize storage requirements, only one copy of any file attachments uploaded to CiviCRM is kept,
       // even when multiple contacts will receive separate emails from CiviCRM.
       if (!empty($attachmentFileIds)) {
@@ -785,7 +784,7 @@ protected function sendEmail(
         $bcc
       )
       ) {
-        $sent = TRUE;
+        $sent++;
       }
     }