Unable to pair discovered homekit device using Configure button

The problem

The device was discovered correctly and shown in the integrations list. When clicking the 'Configure' button, after a while a pop-up shows asking to enter the pairing pincode, but it also shows an error about ''NoneType' object has no attribute 'async_start_pairing'"

Pairing does work when adding it manually using 'Add integration' and selecting Apple Homekit device.

What version of Home Assistant Core has the issue?

core-2024.5.0

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

Homekit controller

Link to integration documentation on our website

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

Diagnostics information

No response

Example YAML snippet

No response

Anything in the logs that might be useful for us?

Logger: homeassistant.components.homekit_controller.config_flow
Bron: components/homekit_controller/config_flow.py:491
integratie: homekit_controller (documentatie, problemen)
Eerst voorgekomen: 08:06:25 (8 gebeurtenissen)
Laatst gelogd: 08:22:51

Pairing attempt failed with an unhandled exception
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/components/homekit_controller/config_flow.py", line 491, in async_step_pair
    self.finish_pairing = await discovery.async_start_pairing(self.hkid)
                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'async_start_pairing'

Additional information

No response

Hey there @jc2k, @bdraco, mind taking a look at this issue as it has been labeled with an integration (homekit_controller) you are listed as a code owner for? Thanks!

Code owner commands

Code owners of `homekit_controller` can trigger bot actions by commenting: - `@home-assistant close` Closes the issue. - `@home-assistant rename Awesome new title` Renames the issue. - `@home-assistant reopen` Reopen the issue. - `@home-assistant unassign homekit_controller` Removes the current integration label and assignees on the issue, add the integration domain after the command. - `@home-assistant add-label needs-more-information` Add a label (needs-more-information, problem in dependency, problem in custom component) to the issue. - `@home-assistant remove-label needs-more-information` Remove a label (needs-more-information, problem in dependency, problem in custom component) on the issue.

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home-assistant / core