message: Fix types issues
diff: <div class="flogo-app-header row">
  <div class="col-sm-7 col-md-offset-1">
  - <div *ngIf="state?.name.hasErrors && state?.name.errors.notUnique">{{ 'APP-DETAIL:ERROR-UNIQUE-NAME' | translate }}</div>
  + <div *ngIf="state?.name.hasErrors && state?.name.errors['notUnique']">{{ 'APP-DETAIL:ERROR-UNIQUE-NAME' | translate }}</div>
  <div class="flogo-app-header__name-container">
  <input *ngIf="isNameInEditMode" type="text" #appInputName
  fgAutofocus
  id="appDescription" class="flogo-app-header__description--edit">
  </textarea>
  <label class="flogo-app-header__description is-clickable"
  - *ngIf="!isDescriptionInEditMode && editableDescription"
  + *ngIf="!isDescriptionInEditMode && !!editableDescription"
  (click)="onClickLabelDescription($event)">{{ editableDescription }}</label>
  </div>
  </div>
  