Fan speed current shows wrong %

[tizianodeg]

Instead of showing the current % of the fan, it shows a number between 0-4.

eg. if Fan Mode 2 is 30% it shows:

I do not see how we can take the current configured % with extensions.json
This would be the best we can do without bigger changes:

see also #111

[Joakim Plate]

Should be solved now.