Don't turn off charger when smart charging is inactive.

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (9a455c7) 100.00% compared to head (0996591) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #164 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 14 14 Lines 1560 1561 +1 ========================================= + Hits 1560 1561 +1 ``` | [Impacted Files](https://codecov.io/gh/jonasbkarlsson/ev_smart_charging/pull/164?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Karlsson) | Coverage Δ | | |---|---|---| | [custom\_components/ev\_smart\_charging/coordinator.py](https://codecov.io/gh/jonasbkarlsson/ev_smart_charging/pull/164?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Karlsson#diff-Y3VzdG9tX2NvbXBvbmVudHMvZXZfc21hcnRfY2hhcmdpbmcvY29vcmRpbmF0b3IucHk=) | `100.00% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Karlsson). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jonas+Karlsson)

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