Fix messages not marked as read onScroll when message count is unchanged

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt

@@ -526,12 +526,8 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
 
             if (author != null && messageTimestamp >= 0) {
                 jumpToMessage(author, messageTimestamp, firstLoad.get(), null)
-            }
+            } else {
-            else if (firstLoad.getAndSet(false)) {
+                if (firstLoad.getAndSet(false)) scrollToFirstUnreadMessageIfNeeded(true)
-                scrollToFirstUnreadMessageIfNeeded(true)
-                handleRecyclerViewScrolled()
-            }
-            else if (oldCount != newCount) {
                 handleRecyclerViewScrolled()
             }
         }