Fix event log incremental loading

Author: FrayxRulez

Telegram/ViewModels/DialogEventLogViewModel.cs

@@ -156,6 +156,7 @@ public override async Task LoadEventLogSliceAsync(string query = "")
 
             _loadingSlice = false;
             IsLoading = false;
+            RaiseMessagesLoaded(PanelScrollingDirection.None);
 
             var already = Items.LastOrDefault();
             if (already != null)

Telegram/ViewModels/DialogViewModel.cs

@@ -1418,6 +1418,11 @@ public async Task LoadMessageSliceAsync(long? previousId, long fromMessageId, Ve
             await AddSponsoredMessagesAsync();
         }
 
+        protected void RaiseMessagesLoaded(PanelScrollingDirection direction)
+        {
+            MessagesLoaded?.Invoke(this, new MessagesLoadedEventArgs(direction));
+        }
+
         private async Task<Messages> PreloadAlbumsAsync(long chatId, FoundChatMessages foundChatMessages)
         {
             for (int i = foundChatMessages.Messages.Count - 1; i >= 0; i--)