[1.2.0] Improve dispute section (#3504)

* Improve wording for mediation summary and add specific next steps for refund agent case

* Select the first dispute case when entering the support section

core/src/main/resources/i18n/displayStrings.properties

@@ -2257,7 +2257,9 @@ Payout amount for BTC buyer: {1}\n\
 Payout amount for BTC seller: {2}\n\n\
 Summary notes:\n{3}
 disputeSummaryWindow.close.nextStepsForMediation=\n\nNext steps:\n\
-Open ongoing trade and accept or reject the suggested mediation
+Open trade and accept or reject suggestion from mediator
+disputeSummaryWindow.close.nextStepsForRefundAgentArbitration=\n\nNext steps:\n\
+No further action is required from you. If the arbitrator decided in your favor, you'll see a "Refund from arbitration" transaction in Funds/Transactions
 disputeSummaryWindow.close.closePeer=You need to close also the trading peers ticket!
 disputeSummaryWindow.close.txDetails.headline=Publish refund transaction
 disputeSummaryWindow.close.txDetails.buyer=Buyer receives {0} on address: {1}\n

desktop/src/main/java/bisq/desktop/main/overlays/windows/DisputeSummaryWindow.java

@@ -679,6 +679,8 @@ private void doClose(Button closeTicketButton) {
 
         if (dispute.getSupportType() == SupportType.MEDIATION) {
             text += Res.get("disputeSummaryWindow.close.nextStepsForMediation");
+        } else if (dispute.getSupportType() == SupportType.REFUND) {
+            text += Res.get("disputeSummaryWindow.close.nextStepsForRefundAgentArbitration");
         }
 
         checkNotNull(getDisputeManager(dispute)).sendDisputeResultMessage(disputeResult, dispute, text);

desktop/src/main/java/bisq/desktop/main/support/dispute/DisputeView.java

@@ -332,6 +332,8 @@ protected void activate() {
         Dispute selectedItem = tableView.getSelectionModel().getSelectedItem();
         if (selectedItem != null)
             tableView.getSelectionModel().select(selectedItem);
+        else if (sortedList.size() > 0)
+            tableView.getSelectionModel().select(0);
 
         if (chatView != null) {
             chatView.activate();