Add support for Shelly CCT light (#126989)
* Initial support for cct lights
* Move properties to the RpcShellyCctLight class
* Fix entity names
* Add async_remove_orphaned_entities() function
* Do not return
* Fix tests
* Combine async_remove_orphaned_virtual_entities and async_remove_orphaned_entities
* Remove SHELLY_PLUS_RGBW_CHANNELS from const
* Add tests
* Use _attr*
* Check ColorMode.COLOR_TEMP
* Add sensors for CCT light
* Remove removal condition
* Remove orphaned sensors
* Cleaning
* Add device temperature sensor for CCT light
* Simplify async_remove_orphaned_entities()
* Comment
* Add COMPONENT_ID_PATTERN const
* Call async_add_entities once
* Suggested change
* Better type for keys
* Do not call keys()
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