Add system options to config entries (#25926)

* Add system options to config entries

* For feedback

* Follow most of balloobs comments

* Fix balloobs comments

* Improvements

* Fix second round of Balloobs comments

* Fix third round

* Add system options to mock config entry

* Fix integration tests

* Fix the last failing tests

* Fix disabled string

* Fix failing disabled_by tests

* New tests

* Config entry WS API tests

* Fix comments

tests/common.py

@@ -665,6 +665,7 @@ class MockConfigEntry(config_entries.ConfigEntry):
         title="Mock Title",
         state=None,
         options={},
+        system_options={},
         connection_class=config_entries.CONN_CLASS_UNKNOWN,
     ):
         """Initialize a mock config entry."""
@@ -672,6 +673,7 @@ class MockConfigEntry(config_entries.ConfigEntry):
             "entry_id": entry_id or uuid.uuid4().hex,
             "domain": domain,
             "data": data or {},
+            "system_options": system_options,
             "options": options,
             "version": version,
             "title": title,