Fix loading of *Template bitmaps on Linux
Fix loading of *Template bitmaps on Linux

PoeditArtProvider needs to be used first, not last, to correctly handle
templates under wxGTK. Otherwise system loader will just load the
images as-is with no post-processing.

PKRoma/poedit,alexhenrie/poedit,PKRoma/poedit,alexhenrie/poedit,PKRoma/poedit,PKRoma/poedit,vslavik/poedit,nawawi/poedit,vslavik/poedit,PKRoma/poedit,vslavik/poedit,vslavik/poedit,vslavik/poedit,alexhenrie/poedit,nawawi/poedit,nawawi/poedit,nawawi/poedit,alexhenrie/poedit,alexhenrie/poedit,nawawi/poedit