fix:[Process] Mail notification contains HTML tags -EXO-64330

Prior to this change, when create a request in process and user member in space mentioned in 'Who can manage the process' of the process and enabled 'For process manager - A new request has been created' notifs for mails, check received mail , this mail notification contains HTML tags. To fix this problem, remove the <p> tag that was created while typing a description. after this change, Mail notification escaped HTML tags.

processes-services/src/main/java/org/exoplatform/processes/notification/provider/MailTemplateProvider.java

@@ -65,7 +65,7 @@ protected MessageInfo makeMessage(NotificationContext notificationContext) {
         String processTitle = notificationInfo.getValueOwnerParameter(NotificationArguments.REQUEST_PROCESS.getKey());
         templateContext.put("PROCESS_TITLE", encoder.encode(processTitle));
         templateContext.put("REQUEST_TITLE", encoder.encode(requestTitle));
-        templateContext.put("REQUEST_DESCRIPTION", encoder.encode(requestDescription));
+        templateContext.put("REQUEST_DESCRIPTION", requestDescription);
       }
       templateContext.put("PROCESS_URL", encoder.encode(processUrl));
       templateContext.put("REQUEST_URL", encoder.encode(requestUrl));