eeschema: Handle Windows click ordering

Click to add/edit footprint filters under MSW requires handling the
listbox double click first before the item is handled.

Fixes: lp:1816182
* https://bugs.launchpad.net/kicad/+bug/1816182

eeschema/dialogs/dialog_edit_component_in_lib.cpp

@@ -729,9 +729,13 @@ void DIALOG_EDIT_COMPONENT_IN_LIBRARY::OnDeleteAlias( wxCommandEvent& event )
 
 void DIALOG_EDIT_COMPONENT_IN_LIBRARY::OnFilterDClick( wxMouseEvent& event)
 {
+    int idx = m_FootprintFilterListBox->HitTest( event.GetPosition() );
     wxCommandEvent dummy;
-    OnAddFootprintFilter( dummy );
-    event.Skip();
+
+    if( idx >= 0 )
+        OnEditFootprintFilter( dummy );
+    else
+        OnAddFootprintFilter( dummy );
 }