Draw partially detected corners

bot.py

@@ -128,6 +128,10 @@ class Bot:
                 print(
                     "Timeout waiting for ArUco markers, returning only original image"
                 )
+
+                ids, corners = zip(*filter(lambda x: x[1] is not None, enumerate(aruco_corners)))
+                aruco.drawDetectedMarkers(pretty_image, corners, ids)
+
                 self.tapo.setPrivacyMode(privacy_mode)
                 self.tapo.setDayNightMode("auto")
                 return [pretty_image]