* Small cleanups to bluetooth internals
Improve the performance of _async_on_advertisement
Fixes
```
tests/components/bluetooth/test_models.py::test_ble_device_with_proxy_client_out_of_connections_uses_best_available
tests/components/bluetooth/test_models.py::test_ble_device_with_proxy_client_out_of_connections_uses_best_available_macos
/Users/bdraco/home-assistant/homeassistant/components/bluetooth/wrappers.py:226: FutureWarning: This method will be removed future version, pass the callback to the BleakClient constructor instead.
self._backend.set_disconnected_callback(
tests/components/bluetooth/test_models.py::test_ble_device_with_proxy_client_out_of_connections_uses_best_available_macos
/Users/bdraco/home-assistant/tests/components/bluetooth/test_models.py:506: FutureWarning: BLEDevice.metadata is deprecated and will be removed in a future version of Bleak, use AdvertisementData instead
switchbot_proxy_device_no_connection_slot.metadata["delegate"] = 0
tests/components/bluetooth/test_models.py::test_ble_device_with_proxy_client_out_of_connections_uses_best_available_macos
/Users/bdraco/home-assistant/tests/components/bluetooth/test_models.py:521: FutureWarning: BLEDevice.metadata is deprecated and will be removed in a future version of Bleak, use AdvertisementData instead
switchbot_proxy_device_has_connection_slot.metadata["delegate"] = 0
tests/components/bluetooth/test_models.py::test_ble_device_with_proxy_client_out_of_connections_uses_best_available_macos
/Users/bdraco/home-assistant/tests/components/bluetooth/test_models.py:535: FutureWarning: BLEDevice.metadata is deprecated and will be removed in a future version of Bleak, use AdvertisementData instead
switchbot_device.metadata["delegate"] = 0
```
* put back kwargs
* Add support for snapshot testing
* Use snapshots in Elgato diagnostics test
* Use snapshots in Elgato sensor test
* Fix flake8 warning
* Slightly improve serialized output
* Remove snapshot naming in elgato sensor tests
* Improve snapshoting of via_device_id in device registry item
* Update pylint typehints plugin for snapshot fixture typing
* Use snapshots in Elgato configflow test
* Use snapshots in Bluetooth repair issue tests
* Try the next best adapter after a BLE connection fails
* add cover
* tweak
* tweak
* Update homeassistant/components/bluetooth/wrappers.py
* bump
* small tweak
* tweak logic
* Offload platform specific bluetooth code to bluetooth-adapters
* adjust
* fix some more patch targets
* more test fixes
* almost there
* may not be setup yet
* more fixes
* fixes
* fix test
* fix merge