core: New Fritz!Box integration error with 0.109.0.b1

The problem

I am getting an error in the log for the Fritz Integration in b1

Environment

• Home Assistant Core release with the issue: 0.109.0b1
• Last working Home Assistant Core release (if known): unsure if it was also in b0
• Operating environment (Home Assistant/Supervised/Docker/venv):
• Integration causing this issue:
• Link to integration documentation on our website:

Problem-relevant configuration.yaml

Traceback/Error logs

Log Details (ERROR)
Logger: homeassistant.core
Source: components/fritzbox/config_flow.py:120
First occurred: 8:55:48 AM (3 occurrences)
Last logged: 8:55:48 AM

Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 124, in async_init
    flow, flow.init_step, data, init_done
  File "/usr/src/homeassistant/homeassistant/data_entry_flow.py", line 196, in _async_handle_step
    result: Dict = await getattr(flow, method)(user_input)
  File "/usr/src/homeassistant/homeassistant/components/fritzbox/config_flow.py", line 120, in async_step_ssdp
    if entry.data[CONF_HOST] == host:
KeyError: 'host'

Additional information

No devices