fix: added comment about categories always fetched from prod to get_classes()

Author: ErikBjare

aw_client/classes.py

@@ -69,6 +69,8 @@ def get_classes() -> List[Tuple[List[str], dict]]:
     Get classes from server-side settings.
     Might throw a 404 if not set yet, in which case we use the default classes as a fallback.
     """
+    # NOTE: Always tries to fetch from prod server,
+    #       which is potentially wrong if testing server is being used.
     awc = aw_client.ActivityWatchClient(f"get-setting-{random.randint(0, 10000)}")
     try:
         classes = awc.get_setting("classes")