Add support for managing the silabs multiprotocol add-on (#82170)

* Add support for managing the silabs multiprotocol add-on

* Fix passing context when starting option flow

* Allow unloading a ha yellow config entry

* Fix tests

* Log data passed to ZHA option flow

* Improve ZHA migration logic

* Move tests

* Improve test coverage

* Remove dead code

* Drop automatic ZHA migration

tests/components/zwave_js/conftest.py

@@ -30,6 +30,7 @@ def mock_addon_info(addon_info_side_effect):
         side_effect=addon_info_side_effect,
     ) as addon_info:
         addon_info.return_value = {
+            "hostname": None,
             "options": {},
             "state": None,
             "update_available": False,