Fix issue where conversation hero avatars didn't show up.

app/src/main/java/org/thoughtcrime/securesms/messagerequests/MessageRequestViewModel.java

@@ -151,7 +151,10 @@ public class MessageRequestViewModel extends ViewModel {
 
   private void loadRecipient() {
     liveRecipient.observeForever(recipientObserver);
-    SignalExecutors.BOUNDED.execute(liveRecipient::refresh);
+    SignalExecutors.BOUNDED.execute(() -> {
+      liveRecipient.refresh();
+      recipient.postValue(liveRecipient.get());
+    });
   }
 
   private void loadGroups() {