Changing light color during an effect causes mismatched state

[TheJulianJES]

Currently, when any light attribute is changed (brightness, color, temperature), an active colorloop effect is turned off.
(Do we even want to keep that behavior?)

However, when changing the light color, we first send the color command to the light and only turn off the effect afterwards. This will cause the light to miss the color command and cause mismatched state in HA.
The color command needs to be sent a second time at the moment.

We likely should turn off the effect first in the turn_on method, then send the color commands.

(noticed whilst testing #99)