show locked symbol for private offers in trade history

Author: woodser

desktop/src/main/java/haveno/desktop/main/portfolio/closedtrades/ClosedTradesListItem.java

@@ -105,7 +105,7 @@ public String getDirectionLabel() {
                 ? offer.getDirection()
                 : offer.getMirroredDirection();
         String currencyCode = tradable.getOffer().getCurrencyCode();
-        return DisplayUtils.getDirectionWithCode(direction, currencyCode);
+        return DisplayUtils.getDirectionWithCode(direction, currencyCode, offer.isPrivateOffer());
     }
 
     public Date getDate() {

desktop/src/main/java/haveno/desktop/main/portfolio/failedtrades/FailedTradesViewModel.java

@@ -68,7 +68,7 @@ String getVolume(FailedTradesListItem item) {
     }
 
     String getDirectionLabel(FailedTradesListItem item) {
-        return (item != null) ? DisplayUtils.getDirectionWithCode(dataModel.getDirection(item.getTrade().getOffer()), item.getTrade().getOffer().getCurrencyCode()) : "";
+        return (item != null) ? DisplayUtils.getDirectionWithCode(dataModel.getDirection(item.getTrade().getOffer()), item.getTrade().getOffer().getCurrencyCode(), item.getTrade().getOffer().isPrivateOffer()) : "";
     }
 
     String getMarketLabel(FailedTradesListItem item) {

desktop/src/main/java/haveno/desktop/util/DisplayUtils.java

@@ -116,10 +116,6 @@ public static String booleanToYesNo(boolean value) {
     // Offer direction
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public static String getDirectionWithCode(OfferDirection direction, String currencyCode) {
-        return getDirectionWithCode(direction, currencyCode, false);
-    }
-
     public static String getDirectionWithCode(OfferDirection direction, String currencyCode, boolean isPrivate) {
         if (CurrencyUtil.isTraditionalCurrency(currencyCode))
             return (direction == OfferDirection.BUY) ? Res.get(isPrivate ? "shared.buyCurrencyLocked" : "shared.buyCurrency", Res.getBaseCurrencyCode()) : Res.get(isPrivate ? "shared.sellCurrencyLocked" : "shared.sellCurrency", Res.getBaseCurrencyCode());