refactor(src/window/osd): replace Brightness.get_initial() with Brightness() to drop encapsulationRemove Brightness.get_initial() call and instantiate Brightness directly, simplifying the API and making the service easier to test and extend.

src/window/osd/components/brightness.py

@@ -9,7 +9,7 @@ from .base import BaseOSDContainer
 class BrightnessOSDContainer(BaseOSDContainer):
     def __init__(self, window, **kwargs):
         super().__init__(window, **kwargs)
-        self.brightness_service = Brightness.get_initial()
+        self.brightness_service = Brightness()
         self._setup_specific_components()
         self._connect_specific_signals()