message: inactivity field config
diff: class="no-margin"
  [innerHTML]="'INACTIVITY_TIMEOUT' | translate"
  ></h4>
  -
  <form
  (ngSubmit)="changeInactivityTimeout($event)"
  #inactivityTimeoutForm="ngForm"
  novalidate
  >
  <mdl-textfield
  - *ngIf="tempInactivityTimeout"
  #inactivityTimeoutField="ngModel"
  name="inactivityTimeout"
  type="number"
  integerValue
  error-msg="{{ 'INACTIVITY_LIMITS' | translate }}"
  [(ngModel)]="tempInactivityTimeout"
  - [class.is-invalid]="inactivityTimeoutField.invalid"
  + [class.is-invalid]="inactivityTimeoutField.touched && inactivityTimeoutField.invalid"
  (blur)="onBlur()"
  ></mdl-textfield>
  <div class="right-button">
  