chore: fixed on_screen_render usage in fr3 example

Author: juelg

python/examples/fr3.py

@@ -59,10 +59,10 @@ def main():
             # add camera to have a rendering gui
             cameras = {
                 "default_free": SimCameraConfig(
-                    identifier="", type=int(CameraType.default_free), on_screen_render=True
+                    identifier="", type=int(CameraType.default_free)
                 ),
                 "wrist": SimCameraConfig(
-                    identifier="eye-in-hand_0", type=int(CameraType.fixed), on_screen_render=False
+                    identifier="eye-in-hand_0", type=int(CameraType.fixed)
                 ),
                 # TODO: odd behavior when not both cameras are used: only last image is shown
             }