Refactor config entry storage and index

[bdraco]

needs test fixes

• Fix tractive tests using a dict for the unique_id #107602
• Fix dlink test mutating config entry after its adding to hass #107604
• Fix atag test mutating config entry after its adding to hass #107603
• Fix cloudflare tests using a dict for the unique id #107601

Proposed change

Refactors config entry storage to work the same as the entity registry and the device registry. This abstracts all the maintaining of the index into the ConfigEntryItems class.

We now have an index for the unique id as well since this each discovery will have to lookup to see if the unique id already exists. This starts to be a problem when the a device is discovered frequently. An example case of this is when the user has a lot of ESPHome devices and deep sleep configured. This means devices are constantly being rediscovered and since there was previously no index on unique id, it meant all the config entries in the domain had to be enumerated every time a device woke up. In this case we would have actually had to enumerate the whole list twice, with once for async_set_unique_id and once for _abort_if_unique_id_configured

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

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[bdraco]

running well on my system for a bit. solves the constant unique id lookup from discovery churn issue

[elupus]

Looks nice! Some minor ideas, but not required.

[bdraco]

Thanks

[bdraco]

Well all the test failure are bugs in the tests.

I'm going to make it a warning an error for now

[bdraco]

I will fix them all in a separate PRs

[bdraco]

I fixed the duplicate adds in everything but plex and zha in #107984

plex and zha will need their own PRs as their logic is a bit more complex