Make sure results cleared when update tasks are not called

Author: Jack251970

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -1340,6 +1340,7 @@ private async Task QueryResultsAsync(bool searchDelay, bool isReQuery = false, b
 
             // plugins are ICollection, meaning LINQ will get the Count and preallocate Array
 
+            var resultsCleared = false;
             Task[] tasks;
             if (currentIsHomeQuery)
             {
@@ -1374,6 +1375,9 @@ private async Task QueryResultsAsync(bool searchDelay, bool isReQuery = false, b
                 // nothing to do here
             }
 
+            // If results are not cleared, we need to clear the results
+            if (!resultsCleared) Results.Clear();
+
             if (currentCancellationToken.IsCancellationRequested) return;
 
             // this should happen once after all queries are done so progress bar should continue
@@ -1443,6 +1447,11 @@ await PluginManager.QueryHomeForPluginAsync(plugin, query, token) :
                 {
                     App.API.LogError(ClassName, "Unable to add item to Result Update Queue");
                 }
+                else
+                {
+                    // Only update the clear flag when we successfully write to the channel
+                    resultsCleared = true;
+                }
             }
 
             void QueryHistoryTask(CancellationToken token)
@@ -1466,6 +1475,11 @@ void QueryHistoryTask(CancellationToken token)
                 {
                     App.API.LogError(ClassName, "Unable to add item to Result Update Queue");
                 }
+                else
+                {
+                    // Only update the clear flag when we successfully write to the channel
+                    resultsCleared = true;
+                }
             }
         }