Reolink update current firmware state after install attempt

[starkillerOG]

Breaking change

Proposed change

At the start of a update attempt, the current installed firmware version is retrieved.
So update the current firmware state after a install attempt.

Type of change

• Dependency upgrade
• 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

• The code change is tested and works locally.
• Local tests pass. Your PR cannot be merged unless tests pass
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• Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

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[jbouwh]

LGTM, May be update the PR title that this about updating the state?
Thnx.

[starkillerOG]

@jbouwh Thanks for the review!