message: fix(): only enable showing mnemonic once it has been saved
diff: <p *ngIf="!secret.hasRecoveryKey" [innerHTML]="'secret-edit.secret-recovery-key.generate-text' | translate"></p>
  </ion-label>
  </ion-item>
  - </ng-container>
  <p class="font--weight__med">{{ 'secret-edit.show-mnemonic.label' | translate }}</p>
  <ion-item lines="none" detail="true" class="ion-no-padding" (click)="showMnemonic()">
  <p [innerHTML]="'secret-edit.show-mnemonic.text' | translate"></p>
  </ion-label>
  </ion-item>
  + </ng-container>
  <ion-fab vertical="bottom" horizontal="end" slot="fixed">
  <ion-button color="primary" shape="round" [disabled]="secret.label.length < 1" (click)="confirm()">
  