Fix closing popover

Frontend Angular 4/src/app/layout/matefun/matefun.component.html

@@ -115,7 +115,7 @@
                                     </label>
                                 </div>
                                 <div class="form-group">
-                                    <button class="btn btn-secondary" (click)="saveConfig()">{{ "i18n.action.save" | translate | titleCase }}</button>
+                                    <button class="btn btn-secondary" (click)="saveConfig(); popover.close();">{{ "i18n.action.save" | translate | titleCase }}</button>
                                 </div>
                             </div>
                         </ng-template>