message: fix incorrect rep list placeholder in offline mode
diff: </ng-container>
  </ng-container>
  <tr *ngIf="!loadingRepresentatives && ( !representativeOverview || !representativeOverview.length )" class="uk-text-center">
  - <td colspan="3" style="text-align: center;">None of your accounts have delegated any voting weight yet, you must receive a transaction to change your representative!</td>
  + <td colspan="3" style="text-align: center;" *ngIf="settings.settings.serverAPI">
  + None of your accounts have delegated any voting weight yet, you must receive a transaction to change your representative!
  + </td>
  + <td colspan="3" style="text-align: center;" *ngIf="!settings.settings.serverAPI">
  + Wallet is in offline mode.
  + </td>
  </tr>
  <tr *ngIf="loadingRepresentatives">
  <td colspan="3" style="text-align: center;"><span class="uk-margin-right" uk-spinner></span> Fetching information about your representatives...</td>
  