S55632838 - Add refresh to messaging.

Added a refresh button in message engine page.

frontend/angular/src/app/components/message-engine/message-engine.component.html

@@ -74,6 +74,9 @@
                                     <button *ngIf="embedded" type="button" pButton label="Mark as read"
                                             icon="ui-icon-check"
                                             (click)="markAsRead()"></button>
+                                    <button *ngIf="!embedded" type="button" pButton label="Refresh"
+                                            icon="ui-icon-refresh"
+                                            (click)="getJobApplicationByID()"></button>
                                 </div>
                                 <p-fileUpload *ngIf="Message.Attachments"
                                               name="File" [withCredentials]="true"