Hue light groups

[ttaidapos]

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Home Assistant release: 0.61.1

Python release: 3.6

Component/platform: hue

Description of problem:
Every time you reboot hass, hue light groups get a new name. For instance I have a group of lights called light.dining_room1-5. The plain light.dining_room is the group. When i reboot, the group gets changed to light.dining_room_2 so now i have to change all my code. Every time i reboot it's a random change in numbers.

Expected:
Same group names remain instead of enumerating new ones. Change hue light bulbs to light_bulb_1, light_bulb_2 seems to fix the problem.

Problem-relevant configuration.yaml entries and steps to reproduce:
none

Traceback (if applicable):
none

Additional info:

[OttoWinter]

Fixed by #11979