Hide main window when dragging results.

Author: VictoriousRaptor

Flow.Launcher/ResultListBox.xaml.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.IO;
 using System.Windows;
 using System.Windows.Controls;
@@ -137,6 +137,8 @@ private void ResultList_MouseMove(object sender, MouseEventArgs e)
 
             isDragging = false;
 
+            App.API.HideMainWindow();
+
             var data = new DataObject(DataFormats.FileDrop, new[]
             {
                 path