fix: wait for connection made

[bdraco]

There is a race here so we need a future in case the connection takes a while to be made

fixes

Apr 17 23:41:29 homeassistant homeassistant[518]: 2024-04-17 18:41:29.974 ERROR (MainThread) [homeassistant.config_entries] Error setting up entry Realtek Bluetooth 5.1 Radio (0bda:8771) (00:E0:43:86:0B:03) for bluetooth
Apr 17 23:41:29 homeassistant homeassistant[518]: Traceback (most recent call last):
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/src/homeassistant/homeassistant/config_entries.py", line 575, in async_setup
Apr 17 23:41:29 homeassistant homeassistant[518]:     result = await component.async_setup_entry(hass, self)
Apr 17 23:41:29 homeassistant homeassistant[518]:              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/src/homeassistant/homeassistant/components/bluetooth/__init__.py", line 301, in async_setup_entry
Apr 17 23:41:29 homeassistant homeassistant[518]:     adapter = await manager.async_get_adapter_from_address_or_recover(address)
Apr 17 23:41:29 homeassistant homeassistant[518]:               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "src/habluetooth/manager.py", line 240, in async_get_adapter_from_address_or_recover
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "src/habluetooth/manager.py", line 249, in _async_recover_failed_adapters
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "src/habluetooth/manager.py", line 256, in habluetooth.manager.BluetoothManager._async_recover_failed_adapters
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/habluetooth/util.py", line 13, in async_reset_adapter
Apr 17 23:41:29 homeassistant homeassistant[518]:     return await recover_adapter(adapter_id, mac_address)
Apr 17 23:41:29 homeassistant homeassistant[518]:            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/__init__.py", line 31, in recover_adapter
Apr 17 23:41:29 homeassistant homeassistant[518]:     return await recover_module.recover_adapter(hci, mac)  # type: ignore
Apr 17 23:41:29 homeassistant homeassistant[518]:            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/recover.py", line 400, in recover_adapter
Apr 17 23:41:29 homeassistant homeassistant[518]:     if adapter and await _power_cycle_adapter(adapter):
Apr 17 23:41:29 homeassistant homeassistant[518]:                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/recover.py", line 475, in _power_cycle_adapter
Apr 17 23:41:29 homeassistant homeassistant[518]:     return await _execute_reset(adapter)
Apr 17 23:41:29 homeassistant homeassistant[518]:            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/recover.py", line 594, in _execute_reset
Apr 17 23:41:29 homeassistant homeassistant[518]:     return await _execute_power_on(adapter, name, power_state_before_reset)
Apr 17 23:41:29 homeassistant homeassistant[518]:            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/recover.py", line 602, in _execute_power_on
Apr 17 23:41:29 homeassistant homeassistant[518]:     await adapter.set_powered(True)
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/recover.py", line 281, in set_powered
Apr 17 23:41:29 homeassistant homeassistant[518]:     response = await self.protocol.send(
Apr 17 23:41:29 homeassistant homeassistant[518]:                ^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]:   File "/usr/local/lib/python3.12/site-packages/bluetooth_auto_recovery/recover.py", line 158, in send
Apr 17 23:41:29 homeassistant homeassistant[518]:     assert self.transport is not None  # nosec
Apr 17 23:41:29 homeassistant homeassistant[518]:     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 17 23:41:29 homeassistant homeassistant[518]: AssertionError