refactor(admin-email): use send_preview_email fn to setup preview ema…

…il data

ref #3517

includes/admin/emails/abstract-email-notification.php

@@ -684,8 +684,12 @@ public function get_email_attachments( $form_id = null ) {
 		 *
 		 * @since  2.0
 		 * @access public
+		 *
+		 * @param bool $send Flag to check if send email or not.
+		 *
+		 * @return bool
 		 */
-		public function send_preview_email() {
+		public function send_preview_email( $send = true) {
 			// Get form id
 			$form_id = ! empty( $_GET['form_id'] ) ? absint( $_GET['form_id'] ) : null;
 
@@ -720,7 +724,9 @@ public function send_preview_email() {
 				Give()->emails->from_address = give_get_meta( $form_id, '_give_from_email', true );
 			}
 
-			return Give()->emails->send( $this->get_preview_email_recipient( $form_id ), $subject, $message, $attachments );
+			return $send
+				? Give()->emails->send( $this->get_preview_email_recipient( $form_id ), $subject, $message, $attachments )
+				: false;
 		}
 
 

includes/admin/emails/class-email-notifications.php

@@ -255,7 +255,7 @@ public function preview_email() {
 			$form_id = empty( $_GET['form_id']  ) ? null : absint( $_GET['form_id'] );
 
 			// Call setup email data to apply filter and other thing to email.
-			$email->setup_email_data();
+			$email->send_preview_email( false );
 
 			// Decode message.
 			$email_message = $email->preview_email_template_tags( $email->get_email_message( $form_id ) );