* Add Grid import export to enphase Envoy
* Update snapshot for labels dict element in entity registry
* use identity check for enum
* Revert use of identity check, didn't add entities
* Implement review feedback for tests
* ct phase sensors disabled by default
* import PHASENAMES from pyenphase
* Update tests/components/enphase_envoy/test_sensor.py
* Update tests/components/enphase_envoy/test_sensor.py
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Co-authored-by: J. Nick Koston <nick@koston.org>