Fix missing last opened result due to race condition from plugins that call hide directly (#4408)

Author: jjw24

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -515,6 +515,17 @@ private async Task OpenResultAsync(string index)
                 return;
             }
 
+            // New history result must be recorded before ExecuteAsync and Hide() is called, otherwise when in 'Empty Last Query' query style mode
+            // the QueryAsync call will reconstruct the result list without the new item.
+            // This must happen before ExecuteAsync because some plugin actions call HideMainWindow() inside their action,
+            // which triggers a home query that reads history before _history.Add would have been called.
+            // Also, add item to history only if it is from results but not context menu or history.
+            if (queryResultsSelected)
+            {
+                _history.Add(result);
+                lastHistoryIndex = 1;
+            }
+
             var hideWindow = false;
             var isDialogJumpLeftClick = _isDialogJump && Settings.DialogJumpResultBehaviour == DialogJumpResultBehaviours.LeftClick;
 
@@ -541,15 +552,6 @@ private async Task OpenResultAsync(string index)
                 }).ConfigureAwait(false);
             }
 
-            // New history result must be recorded before Hide() is called, otherwise when in 'Empty Last Query' query style mode
-            // the QueryAsync call will reconstruct the result list without the new item.
-            // Also, add item to history only if it is from results but not context menu or history.
-            if (queryResultsSelected)
-            {
-                _history.Add(result);
-                lastHistoryIndex = 1;
-            }
-
             // Only hide for query results (not Dialog Jump left-click mode)
             if (!isDialogJumpLeftClick && hideWindow)
             {