fix(weather_widget): update label class based on alternate state

- Adjusted the label class assignment in the WeatherWidget to conditionally apply an alternate class.

Author: amnweb

src/core/widgets/yasb/weather.py

@@ -384,7 +384,7 @@ def process_content(content: str, is_alt: bool = False) -> list[QLabel]:
                     label.hide()
                 else:
                     label = QLabel(part)
-                    label.setProperty("class", "label")
+                    label.setProperty("class", "label alt" if is_alt else "label")
                     label.setText("weather update...")
                 label.setAlignment(Qt.AlignmentFlag.AlignCenter)
                 label.setCursor(Qt.CursorShape.PointingHandCursor)