Update light transition module to work with child devices (#1017)

Fixes module to work with child devices, i.e. ks240
Interrogates the data to see whether maximums are available.
Fixes a bug whereby setting a duration while the feature is not
enabled does not actually enable it.

kasa/tests/device_fixtures.py

@@ -15,7 +15,13 @@ from kasa.smart import SmartDevice
 
 from .fakeprotocol_iot import FakeIotProtocol
 from .fakeprotocol_smart import FakeSmartProtocol
-from .fixtureinfo import FIXTURE_DATA, FixtureInfo, filter_fixtures, idgenerator
+from .fixtureinfo import (
+    FIXTURE_DATA,
+    ComponentFilter,
+    FixtureInfo,
+    filter_fixtures,
+    idgenerator,
+)
 
 # Tapo bulbs
 BULBS_SMART_VARIABLE_TEMP = {"L530E", "L930-5"}
@@ -175,7 +181,7 @@ def parametrize(
     *,
     model_filter=None,
     protocol_filter=None,
-    component_filter=None,
+    component_filter: str | ComponentFilter | None = None,
     data_root_filter=None,
     device_type_filter=None,
     ids=None,