Wallbox switch entity state incorrect while discharging

[simeon-simsoft]

Proposed change

Bug fix to functionality recently introduced to the Wallbox integration adding support for bidirectional chargers. This PR fixes an issue where the switch state is not available/incorrect while discharging.

Type of change

• [ ] Dependency upgrade
• [x] Bugfix (non-breaking change which fixes an issue)
• [ ] New integration (thank you!)
• [ ] New feature (which adds functionality to an existing integration)
• [ ] Deprecation (breaking change to happen in the future)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• [x] The code change is tested and works locally.
• [x] Local tests pass. Your PR cannot be merged unless tests pass
• [x] There is no commented out code in this PR.
• [x] I have followed the development checklist
• [x] The code has been formatted using Black (black --fast homeassistant tests)
• [ ] Tests have been added to verify that the new code works.

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• [ ] Documentation added/updated for www.home-assistant.io

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• [ ] The manifest file has all fields filled out correctly.
  Updated and included derived files by running: python3 -m script.hassfest.
• [ ] New or updated dependencies have been added to requirements_all.txt.
  Updated by running python3 -m script.gen_requirements_all.
• [ ] For the updated dependencies - a link to the changelog, or at minimum a diff between library versions is added to the PR description.
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[probot-home-assistant[bot]]

Hey there @hesselonline, mind taking a look at this pull request as it has been labeled with an integration (wallbox) you are listed as a code owner for? Thanks! _{^{(message by CodeOwnersMention)}}

[simeon-simsoft]

@hesselonline can you let me know what else I need to do with this to get it moving into the next release please?

[hesselonline]

@simeon-simsoft you need a review by a core member of the hass team, afterwards he can approve and merge the change. Maybe ask the person who approved your last PR for a review?

[simeon-simsoft]

@epenet Would you mind reviewing this please.. its a fix to a previous PR that you were kind enough to review and merge.

Thanks