fix: ensure a minimum flame height value of 1 for any non-zero bright…

…ness value from the entity

See https://community.home-assistant.io/t/napoleon-efire-enabled-fireplaces-work-in-progress/547976/31

Signed-off-by: Felix Kaechele <felix@kaechele.ca>

custom_components/napoleon_efire/light.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 import logging
+from math import ceil
 from typing import Any
 
 from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
@@ -63,7 +64,7 @@ async def async_turn_on(self, **kwargs: Any) -> None:
         """Instruct the flame to turn on."""
         flame_height = 6
         if ATTR_BRIGHTNESS in kwargs:
-            flame_height = round(kwargs[ATTR_BRIGHTNESS] / 255 * 6)
+            flame_height = min(ceil(kwargs[ATTR_BRIGHTNESS] / 255 * 6), 6)
         # Setting the flame height to a non-zero value will also implicitly
         # call the power_on function in the bonaparte library.
         # Therefor, not calling it explicitly here.