Check if supported features should include Preset Mode

[tijsverkoyen]

If the programs property is not available the climate entity should not have the possibility to use presets.

This should resolve https://github.com/joleys/niko-home-control-II/issues/80

[tijsverkoyen]

@sgi3200 I will create a release with this fix included later this week if @joleys does not have any feedback