[fix] use $root.currency

www/templates/wallet/transfer_form.html

@@ -43,11 +43,11 @@
                 ng-class="{'item-input-error': form.$submitted && form.amount.$invalid}">
         <div class="input-label">
           <span translate>TRANSFER.AMOUNT</span>
-          (<span ng-bind-html="currency | currencySymbol:formData.useRelative"></span>)
+          (<span ng-bind-html="$root.currency.name | currencySymbol:formData.useRelative"></span>)
         </div>
         <input type="text"
                keyboard-attach=""
-               name="amount" placeholder="{{::'TRANSFER.AMOUNT_HELP' | translate}} ({{currency | currencySymbolNoHtml:formData.useRelative}})" ng-model="formData.amount"
+               name="amount" placeholder="{{::'TRANSFER.AMOUNT_HELP' | translate}} ({{$root.currency.name | currencySymbolNoHtml:formData.useRelative}})" ng-model="formData.amount"
                required number-float>
         <a class="button button-stable icon ion-arrow-swap gray ink hidden-xs hidden-sm" ng-click="showUnitPopover($event)">
         </a>