Only auto-select a search result in response to a search query.

src/MainForm.cs

@@ -181,7 +181,7 @@ public partial class MainForm : Form
         foreach( ChartImage chartImage in chartImages ) {
             ImageListViewItem item = chartImage.imageListViewItem ;
             mSearchResults.Items.Add( item ) ;
-            if ( nItems++ == 0 )
+            if ( nItems++ == 0 && key != "" )
                 item.Selected = true ;
         }
         mSearchResults.ResumeLayout( true ) ;