Add support for native oauth2 in Point (#118243)

* initial oauth2 implementation

* fix unload_entry

* read old yaml/entry config

* update tests

* fix: pylint on tests

* Apply suggestions from code review

Co-authored-by: Robert Resch <robert@resch.dev>

* fix constants, formatting

* use runtime_data

* Apply suggestions from code review

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

* fix missing import

* adopt to PointData dataclass

* fix typing

* add more strings (copied from weheat)

* move the PointData dataclass to avoid circular imports

* use configflow inspired by withings

* raise ConfigEntryAuthFailed

* it is called entry_lock

* fix webhook issue

* fix oauth_create_entry

* stop using async_forward_entry_setup

* Fixup

* fix strings

* fix issue that old config might be without unique_id

* parametrize tests

* Update homeassistant/components/point/config_flow.py

* Update tests/components/point/test_config_flow.py

* Fix

---------

Co-authored-by: Robert Resch <robert@resch.dev>
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

homeassistant/components/point/sensor.py

@@ -54,7 +54,7 @@ async def async_setup_entry(
 
     async def async_discover_sensor(device_id):
         """Discover and add a discovered sensor."""
-        client = hass.data[POINT_DOMAIN][config_entry.entry_id]
+        client = config_entry.runtime_data.client
         async_add_entities(
             [
                 MinutPointSensor(client, device_id, description)