Fix Shelly Gen1 entity description restore

[thecode]

Proposed change

Correctly restore entity descriptions similar to Gen2 implementation. Existing implementation partiality restored the entity descriptions (legacy, when we started we entity descriptions did not exists) and was causing incorrect device class & state class until device was online.

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 Shelly HT devices reporting "state class not supported" and "No states available" Ref issue: #84009 #107973, fixes Statistics Graph Card not populating for Shelly (Motion and TRV) temperatures (Gen 1 devices) #107530
• This PR is related to issue:
• Link to documentation pull request:

Checklist

• The code change is tested and works locally.
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• Tests have been added to verify that the new code works.

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[home-assistant]

Hey there @balloob, @bieniu, @chemelli74, @bdraco, mind taking a look at this pull request as it has been labeled with an integration (shelly) you are listed as a code owner for? Thanks!

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[bdraco]

It looks like there is actually a literal ~ in the email address in the commit somehow

[thecode]

It looks like there is actually a literal ~ in the email address in the commit somehow

Indeed, fixing

[bdraco]

Tested with gen1 h&t

Now testing with the battery removed

[bdraco]

Tested with battery in and out

Screen shots with battery removed:

stale

[bdraco]

Added brand new out of box H&T, all good

Restarted, all good

Updated firmware on H&T, all good

Restarted again, all good

[thecode]

Tested on Shelly HT & Shelly DW2

[bieniu]

Tested with Shelly Flood and state_class and device_class are restored correctly when the device is sleeping.

Great work @thecode

[chemelli74]

Works fine also here. Well done @thecode !