Refactor Influx logic to reduce V1 vs V2 code paths (#37232)

* refactoring to share logic and sensor startup error test

* Added handling for V1 InfluxDBServerError to start-up and runtime and test for it

* Added InfluxDBServerError test to sensor setup tests

* Raising PlatformNotReady exception from sensor for setup failure

* Proper testing of PlatformNotReady error