minor fix on conversation ordering

SessionMessagingKit/Database/TSDatabaseView.m

@@ -278,8 +278,18 @@ NSString *const TSLazyRestoreAttachmentsGroup = @"TSLazyRestoreAttachmentsGroup"
         TSThread *thread1 = (TSThread *)object1;
         TSThread *thread2 = (TSThread *)object2;
         if ([group isEqualToString:TSArchiveGroup] || [group isEqualToString:TSInboxGroup]) {
-            NSDate *date1 = thread1.lastInteractionDate ?: thread1.creationDate;
-            NSDate *date2 = thread2.lastInteractionDate ?: thread2.creationDate;
+            
+            TSInteraction *_Nullable lastInteractionForInbox1 =
+                [thread1 lastInteractionForInboxWithTransaction:transaction];
+            NSDate *lastInteractionForInboxDate1 = lastInteractionForInbox1 ? lastInteractionForInbox1.receivedAtDate : thread1.creationDate;
+
+            TSInteraction *_Nullable lastInteractionForInbox2 =
+                [thread2 lastInteractionForInboxWithTransaction:transaction];
+            NSDate *lastInteractionForInboxDate2 = lastInteractionForInbox2 ? lastInteractionForInbox2.receivedAtDate : thread2.creationDate;
+
+
+            NSDate *date1 = thread1.lastInteractionDate ?: lastInteractionForInboxDate1 ?: thread1.creationDate;
+            NSDate *date2 = thread2.lastInteractionDate ?: lastInteractionForInboxDate2 ?: thread2.creationDate;
             return [date1 compare:date2];
         }
 

SessionMessagingKit/Threads/TSThread.m

@@ -357,7 +357,9 @@ BOOL IsNoteToSelfEnabled(void)
         return;
     }
     
-    _lastInteractionDate = lastMessage.receivedAtDate;
+    if ([_lastInteractionDate compare: lastMessage.receivedAtDate] == NSOrderedAscending) {
+        _lastInteractionDate = lastMessage.receivedAtDate;
+    }
 
     if (!self.shouldBeVisible) {
         self.shouldBeVisible = YES;