dispute is considered re-opened if it exists

Author: woodser

core/src/main/java/haveno/core/support/dispute/DisputeManager.java

@@ -519,7 +519,7 @@ protected void handleDisputeOpenedMessage(DisputeOpenedMessage message) {
         Optional<Dispute> storedDisputeOptional = findDispute(msgDispute);
 
         // determine if re-opening dispute
-        boolean reOpen = storedDisputeOptional.isPresent() && storedDisputeOptional.get().isClosed();
+        boolean reOpen = storedDisputeOptional.isPresent();
 
         // use existing dispute or create new
         Dispute dispute = reOpen ? storedDisputeOptional.get() : msgDispute;