Refactor device status handling and update UI components

- Update device status handling from 'status' to 'isOnline' for consistency
- Remove unused imports and redundant code related to light switches
- Refactor UI components to use 'isOnline' instead of 'status' for device status

lib/features/devices/view/widgets/lights/light_interface_switch.dart

@@ -28,7 +28,7 @@ class LightInterfaceSwitch extends StatelessWidget {
           mainAxisAlignment: MainAxisAlignment.spaceBetween,
           children: [
             BodyLarge(
-              text: light.status ?? false
+              text: light.isOnline ?? false
                   ? StringsManager.on
                   : StringsManager.off,
               style:
@@ -37,7 +37,7 @@ class LightInterfaceSwitch extends StatelessWidget {
             Container(
               width: 35,
               decoration: ShapeDecoration(
-                color: light.status ?? false
+                color: light.isOnline ?? false
                     ? ColorsManager.primaryColorWithOpacity
                     : Colors.grey,
                 shape: const CircleBorder(),