Integral helper falsely only allows selecting sensors with "unit_of_measurement": null after previous sensor (with non-null unit_of_measurement) got deleted

[laundmo]

The problem

After a sensor which was previously used in a Integral helper was removed, i tried to modify this integral to add the replacement for the now-removed sensor. This led to an error since i think i'm only allowed to enter sensors which have the same "unit_of_measurement" as the previous sensor, which is null due to the previous sensor being deleted. Entering the sensor anyways, even though it doesn't appear in the dropdown, causes this error (from which i've removed some sensors):

value must be one of ['sensor.sun_next_dawn', 'sensor.sun_next_dusk', 'sensor.sun_next_midnight', 'sensor.sun_next_noon', 'sensor.sun_next_rising', 'sensor.sun_next_setting']

all the sensors in this error happen to have a unit_of_measurement of null in /config/.storage/core.entity_registry

I'm pretty sure this snippet is the source of this issue, as it seems to do exactly that filtering for the same unit of measurement:

core/homeassistant/components/integration/config_flow.py

Lines 61 to 79 in 50013cf

	def entity_selector_compatible(
	handler: SchemaOptionsFlowHandler,
	) -> selector.EntitySelector:
	"""Return an entity selector which compatible entities."""
	current = handler.hass.states.get(handler.options[CONF_SOURCE_SENSOR])
	unit_of_measurement = (
	current.attributes.get(ATTR_UNIT_OF_MEASUREMENT) if current else None
	)
	entities = [
	ent.entity_id
	for ent in handler.hass.states.async_all(ALLOWED_DOMAINS)
	if ent.attributes.get(ATTR_UNIT_OF_MEASUREMENT) == unit_of_measurement
	and ent.domain in ALLOWED_DOMAINS
	]
	return selector.EntitySelector(
	selector.EntitySelectorConfig(include_entities=entities)
	)

I think a solution could be to not filter at all after a sensor is delted, or alternatively to store the required unit of measurement on the Integral helper.

What version of Home Assistant Core has the issue?

2024.11.3

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

Integral

Link to integration documentation on our website

https://www.home-assistant.io/integrations/integration

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

/config/.storage/core.config_entries of the integral helper

{
  "created_at": "1970-01-01T00:00:00+00:00",
  "data": {},
  "discovery_keys": {},
  "disabled_by": null,
  "domain": "integration",
  "entry_id": "REDACTED",
  "minor_version": 1,
  "modified_at": "1970-01-01T00:00:00+00:00",
  "options": {
    "name": "REDACTED",
    "unit_time": "h",
    "source": "sensor.REDACTED",
    "method": "left"
  },
  "pref_disable_new_entities": false,
  "pref_disable_polling": false,
  "source": "user",
  "title": "REDACTED",
  "unique_id": null,
  "version": 1
}

/config/.storage/core.entity_registry of "sensor.REDACTED"

"deleted_entities":[
  {
	"config_entry_id":"REDACTED",
	"created_at":"1970-01-01T00:00:00+00:00",
	"entity_id":"sensor.REDACTED",
	"id":"REDACTED",
	"modified_at":"2024-11-23T17:00:03.533295+00:00",
	"orphaned_timestamp":null,
	"platform":"REDACTED",
	"unique_id":"REDACTED"
  },
]

[home-assistant]

Hey there @dgomes, mind taking a look at this issue as it has been labeled with an integration (integration) you are listed as a code owner for? Thanks!

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