components: DBusFactory: include modified gjs code that can't make it upstream
components-gtk: add LoadPixbuf component
components: GioFileLoadContent: rework style with new API
LoadPixbuf: remove log()
components-gtk: add ScalePixbuf component
components: GioFileLoadContent: improve toString() method
example: add picture load functionality
example: remove uncommitted file
components: DBus: generate signal components
example: add limited seeking feedback