improvements in events to approve

src/app/shared/gabinete-digital/diplomas/diplomas.page.html

@@ -7,7 +7,7 @@
       </button>
     </div>
   </div>
-  <!-- <ion-toolbar>
+  <ion-toolbar>
     <ion-segment [(ngModel)]="segment" (ionChange)="segmentChanged($event)">
       <ion-segment-button value="validar">
         Diplomas por validar
@@ -16,7 +16,7 @@
         Diplomas assinados PR
       </ion-segment-button>
     </ion-segment>
-  </ion-toolbar> -->
+  </ion-toolbar>
 </ion-header>
 <ion-content>
   <ion-refresher name="refresher" slot="fixed" (ionRefresh)="doRefresh($event)">