Fix ratbag_button_get_type
Fix ratbag_button_get_type

we should return the actual type.

Signed-off-by: Benjamin Tissoires <7a0e50e3f6a0939db82b6a8a423c08a163896f41@gmail.com>

bentiss/libratbag-old,NoXPhasma/libratbag,whot/libratbag-old,cvuchener/libratbag,whot/libratbag-old,bentiss/libratbag-old,cvuchener/libratbag,libratbag/libratbag,NoXPhasma/libratbag,whot/libratbag,whot/libratbag,bentiss/libratbag-old,whot/libratbag,libratbag/libratbag,whot/libratbag-old,cvuchener/libratbag,NoXPhasma/libratbag,libratbag/libratbag