fix(basic.gblib): SEND EMAIL body is now optional.

packages/basic.gblib/services/DialogKeywords.ts

@@ -526,6 +526,11 @@ export class DialogKeywords {
    *
    */
   public async sendEmail({ pid, to, subject, body }) {
+
+    if (!body) {
+      body = "";
+    };
+
     // tslint:disable-next-line:no-console
 
     GBLog.info(`[E-mail]: to:${to},subject: ${subject},body: ${body}.`);