Null reference exception fix for setting

LightlessSync/UI/SettingsUi.cs

@@ -1915,10 +1915,13 @@ public class SettingsUi : WindowMediatorSubscriberBase
 
                         UiSharedService.TextWrapped(
                             $"Storage validation is running: {_currentProgress.Item1}/{_currentProgress.Item2}");
+                        if (_currentProgress.Item3 != null)
+                        {
                             UiSharedService.TextWrapped($"Current item: {_currentProgress.Item3.ResolvedFilepath}");
                         }
                     }
                 }
+            }
 
             UiSharedService.ColoredSeparator(UIColors.Get("LightlessYellow"), 1.5f);
             ImGui.TreePop();