GtkFilterList not populated
Steps to reproduce
- Ensure you have some images in ~/Pictures
- Run the attached demo, Click the button on the dialog, note model_items is populated however filter_list is not.
- Uncomment line 50 and comment out line 51. Repeat step 2. note the filter_list is now populated.
Current behaviour
GtkFilterList is not populated when using a filter
Expected outcome
GtkFilterList is populated according to the defined filter. i.e. .add_pixbuf_formats() should populate the list with allowable image formats.